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Combining small changes in diet, exercise and sleep may extend life | CNN

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Combining small changes in diet, exercise and sleep may extend life | CNN

Small changes in diet, exercise and sleep may extend life by a year when put into practice together, while making larger changes could provide more than nine additional years of life, according to a new study.

Combining changes in diet, sleep and exercise also increased “health span,” or the number of years a person may live without major health complaints.

“These findings highlight the importance of considering lifestyle behaviors as a package rather than in isolation,” said lead study author Nick Koemel, a research fellow in physical activity, lifestyle and population health at the University of Syndey’s main campus in Camperdown, Australia.

“By targeting small improvements across multiple behaviors simultaneously, the required change for any single behavior is substantially reduced, which may help overcome common barriers to long-term behavior change,” Koemel said in an email.

READ MORE: Can’t sleep? Take steps to improve your sleep hygiene, which boosts health.

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However, that finding is far from conclusive, said Kevin McConway, professor emeritus of applied statistics at the Open University in Milton Keynes, United Kingdom, who was not involved in the study.

“A snag is that the paper uses complicated statistical methods that are not always described clearly,” McConway said in an email. “It’s therefore difficult to tell to what extent the findings have emerged from the researchers’ choice of statistical analyses, rather than things that are clearer from the data.”

Using scientific modeling, Koemel and his team found combining as little as five additional minutes of sleep, two minutes of moderate to vigorous physical activity (such as brisk walking or taking the stairs), and an additional ½ cup of vegetables a day might lengthen life by a year.

However, this predicted outcome was only for people who had an extremely poor diet, slept less than six hours per night and only exercised about seven minutes a day. In addition, it wasn’t until the model’s lifestyle improvements greatly increased that the results became scientifically significant.

“All of the gains reported in this study are theoretical,” Koemel said. “We cannot claim a direct causal effect from the lifestyle patterns. These findings should therefore be interpreted as expected or projected benefits under assumed behavioral variations, rather than confirmed effects of an intervention.”

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The greatest gain in longevity — 9.35 years — and health span — 9.46 years — came with the combination of an addition of 42 to 103 minutes of exercise and sleeping between seven and eight hours a day, while also eating an extremely healthy diet that included fish, whole grains, vegetables and fruits.

Adding exercise to the mix moved the longevity needle the most — a fact that did not surprise preventive cardiologist Dr. Andrew Freeman, director of cardiovascular prevention and wellness at National Jewish Health in Denver.

“Exercise is the elixir of youth,” said Freeman, who was not involved in the study. “But let me be clear — this study should not be interpreted as exercising for exactly two minutes and stop, you’ve accomplished a goal.

“Rather, you should aim to get 20 to 30 minutes of brisk, breathless physical activity, combining strength and cardio in every day. That advice has not changed over decades of study.”

READ MORE: Want to start moving? Check out this guidance to ease into walking.

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The study, published Wednesday in the journal eClinicalMedicine, looked at almost 60,000 participants from England, Scotland and Wales in the UK Biobank, a longitudinal health study, who were followed for an average of eight years. Everyone in the study provided information on their diet — including ultraprocessed foods, such as sugar-sweetened beverages. A subset of the group also wore wrist watches that provided more objective measurements of movement and sleep.

Researchers gathered this medical data and used it to form theoretical scenarios of improved longevity and health span, which was defined as the number of years free of cardiovascular disease, dementia, chronic obstructive pulmonary disease and type 2 diabetes.

Enjoying a longer life and a longer health span, or remaining free of disease, aren’t the same thing, Koemel said. “Combined improvements in sleep, physical activity, and diet were associated with longer lifespans, even if people still developed some chronic conditions later in life.”

READ MORE: Want to improve your diet? Instead of making drastic changes, you can ease into the Mediterranean diet.

After adjusting the findings for many variables — such as the amount of ultraprocessed foods, smoking, alcohol use, body mass index, insomnia, snoring and daytime sleepiness — the results differed depending on how much of each behavior change was accomplished.

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In addition to the lowest and highest levels of the lifestyle changes discussed above, researchers also found lower levels of exercise — less than 23 minutes a day — sleeping seven to eight hours a night, and an excellent diet were associated with nearly four more years of life and three years of health, the study found.

Moderate levels of exercise (between 23 and 42 minutes a day), sleeping up to eight hours per night, and a high-quality diet were associated with a greater improvement of an additional seven years of life and just over six years of good health. So many calculations! What does it all mean?

“This is not about the absolute minutes you exercise or sleep or the number of pieces of broccoli you eat. It’s about making sure that all the things you do in your life are synonymous with health,” Freeman said.

“This is a great time of year to reflect on how you live and make big changes that will set you up for a life of wellness by modifying your life’s trajectory,” he said. “The overall signal in the noise is if you live well, your health span and then your lifespan will be longer.”

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What to Expect the First Time You Go to the Gym

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What to Expect the First Time You Go to the Gym

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Your first day in the gym can be pretty intimidating. I remember spending a whole semester in one half of my university’s gym because the other room was, I don’t know, scary. And if you haven’t been to the gym in a while—or ever—you probably have questions. So let’s talk through the very, very basics.

What is a gym even like inside?

Hey, great question! There are different kinds of gyms, so there isn’t a single, universal answer. I’ll assume you’re going to what’s sometimes called a “commercial” gym, one that caters to a wide variety of people and has a selection of cardio machines, weight-training machines, and dumbbells. It may or may not have barbells. Planet Fitness, Crunch, LA Fitness, Gold’s Gym, and 24 Hour Fitness are all in this general category. If your gym is in a community center or a YMCA, it may have a few more or less features, but will probably be similar to what I describe.

Before you head in, check the gym’s website. Most will offer a free first day or week, which will let you scope the place out and do a workout or two before you commit to a membership. Some gyms may make it difficult to cancel after you sign up, so don’t rush into it. Take advantage of those trial periods.

While you’re doing your research, check out the website for virtual tours and photos of facilities. Get an idea of what kind of stuff they have. Check Google Maps for photos; you may even be able to find a Street View-style tour of the interior. And finally, log on to Instagram and browse through photos tagged at that gym’s location. You’ll get a sense of what equipment is there, how people train, and what kind of vibe to expect.

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What do I bring?

You can come to a gym with nothing and still get in a good workout. The only absolute requirement, in some gyms, is that you bring a pair of shoes that aren’t filthy. (Some gyms disallow street shoes, and expect you to change into a clean pair; others don’t care, or only enforce the policy in winter.)

On the other end of the spectrum, people will often bring a complete change of clothes and a bunch of toiletries and supplies to take a shower and change afterward. You don’t have to do this. It’s OK to walk out the front door still sweaty, and shower at home. Some small gyms don’t even have showers.

What’s the middle ground? I would bring these for my first time at a new gym:

  • A water bottle

  • A small towel (for sweat), unless I know for sure that the gym provides towels

  • Headphones

  • A clean(ish) pair of shoes

  • A bag to carry everything in

  • A combination lock if you plan to lock your things up and aren’t sure whether the gym’s lockers have built-in locks

What do I do with my stuff while I’m there?

If you have a bunch of stuff, like a coat and a bag, you can put it in a locker. It’s also totally fine to keep a few things with you as you walk around. Most people will probably have their towel, water bottle, and phone with them.

You can usually bring a small bag around the gym with you, and just set it down next to whatever machine or bench you’re using, as long as it’s not directly in anybody’s way. (Check the gym rules, though.) Since that can be a hassle, another popular approach is to keep your water bottle in a sleeve that has pockets for your phone and small items.

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What do I wear?

Anything that feels comfortable, isn’t indecent, and that you don’t mind sweating in. For your upper body, try a T-shirt or tank top. For your legs, wear shorts, sweatpants, or leggings. Again, check the gym rules to see if they have any specific requirements. Some gyms don’t want you to take your shirt off, others don’t care.

For shoes, any kind of sneakers or comfortable athletic shoes should be fine. Chucks, running shoes, that sort of thing. If you get really into this exercise business, you can get picky about shoes later. For your first day, it doesn’t really matter.

So do you just, like, walk in?

There will be some kind of check-in desk. If it’s your first time, you’ll probably need to talk to somebody about a membership trial or buy a day pass. This can be a separate visit from your first actual workout. Make sure to ask what the normal check-in procedure is. In many cases you’ll scan your phone or show a key tag or card as you enter, and then you’re free to do whatever you want.

How do I know what they have and where it is?

Two options here: you can walk around the room and scope everything out; or you can ask if someone can give you a brief tour or new-member orientation. (They may offer before you ask). Be aware that they may try to upsell you on personal training or other extras in the process; it’s OK to decline.

If you do get a guided tour, use this opportunity to ask any remaining questions you have. Don’t be embarrassed, the whole idea is that they know you’re new and they’re trying to help. And if you don’t get a tour, it’s still OK to ask basic questions at the front desk like “which way to the locker room?” or “do you have squat racks?”

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What if this whole idea makes me nervous?

Look, the first day is about expanding your comfort zone. If you can walk into the gym and not run right back out, you’ve already accomplished something, and Day Two will be so much easier. A few things that tend to help:

  • Go at one of the less busy times if that will help your nerves. Mid-morning, mid-afternoon, and late evenings tend to be slow times. Check Google Maps to see if it can show you peak hours at your particular location.

  • Bring a friend, or meet a friend there if you can. Even if both of you are new and clueless, you can be new and clueless together.

  • Read up on what to expect. You’re already doing that, so you’re on the right track! If there’s a certain exercise or machine you want to try, look it up on YouTube.

  • If your gym offers classes, that can be a good way to start. The class will get you in the gym with a clear plan of where to go and what to do. You can save independent workouts for after the class or for another day.

If you’ll be on your own, try this:

  1. Walk around the whole gym. Scope everything out. Nobody will stop you or judge you. You don’t even have to pretend that you know where you’re going; if anybody asks “can I help you?” you can just reply “Oh, I’m just new here and seeing where everything is.”

  2. Sit on an exercise bike (or the machine of your choice). Ideally, pick one that faces the main gym area so you can gather more information about what equipment is out there and what people do with it. Use that machine while you decide on your next steps.

  3. Maybe this is enough. A typical cardio workout is 20 to 30 minutes, so you can just use the bike for a half hour and then go home.

  4. Or maybe you find your confidence building as you pedal. After five or 10 minutes (a typical warmup time), hop off the bike and go check out the dumbbells or machines or whatever has piqued your interest.

Take the free personal training session if you want, but beware the upsell

Most gyms sell personal training for an extra fee. And as an enticement to get people to sign up, they may offer a free session or a fitness test with one of their trainers. Like the tour, this is also a good time to get some questions answered.

You can do this if you like, but proceed with caution. Some gyms and trainers are great, but others will use this opportunity to make you do a lot of hard exercise so that you feel out of shape, and then you’ll feel like you need their services to get into shape. I’ve heard too many stories of people having one of these sessions and then feeling terrible about themselves afterward.


What do you think so far?

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So if you decide to go ahead with a session, keep your wits about you. You do not have to be fit your first day in the gym. You also don’t have to do a really demanding workout your first day. If the trainer has you do anything you’re uncomfortable with, you don’t even have to know why you feel the way you do about it. You can just say “you know what, I don’t think I’m ready to do that right now” and ask to move on. This is also a good test of your trainer. If they try to force you to do something you’re not cool with, you probably won’t have a good time working with them.

And, of course, never sign up for anything you aren’t sure you want. If they say you’ll get a better deal if you join right now, that’s a hint that they only get people to sign up when pressured, which means it’s probably not a good deal at all. If you do sign up for a package of sessions, read the fine print to make sure that whatever they tell you about cancellations is actually written there in the contract. (Overwhelmed? Better to just say no for now. You can always sign up later.)

Can you give me a routine for my first day?

Sure can! Although what makes something a routine is that you do it routinely. So I’ll give you an option for your first day’s workout, and you can even repeat it a few times, but eventually you’ll want to find yourself a program that lays out longer-term plans.

Try this, which should give you a full-body workout in a reasonable length of time. If one machine or station is busy, just skip to the next while you wait.

I’m recommending two sets of each exercise because that should give you a nice sampling without making you too sore the next day if this is all brand new. I’m recommending 10 reps in each set because 10 is an easy number to remember. Feel free to do more or less if you like.

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  • 5-10 minutes on an exercise bike (or any cardio machine)

  • 2×10 (that means two sets of 10 reps each) dumbbell or machine shoulder press

  • 2×10 on the assisted pull-up machine or lat pulldown

  • 2×10 walking lunges with dumbbells in your hands

  • 2×10 dumbbell bench press or machine chest press

  • 2×10 seated cable row or dumbbell row

  • 2×10 goblet squats with a dumbbell or kettlebell (if you’re feeling brave, give the leg press a try instead)

  • 5-10 minutes stretching anything that feels tight (look for a stretching area with mats on the floor)

If you want an even shorter workout, split it in half. Do the shoulder press, pull-up or pulldown, and the lunges, and then skip right to stretching. Next time, go right to the dumbbell bench after you warm up, and continue the workout from there.

You don’t have to memorize everything ahead of time. Machines almost always have instructions posted on them telling you how to adjust them and how to use them. Also, it is totally fine to look up videos of exercises on your phone, or to keep notes in your phone or on paper about what you did. It is always OK to be that guy with the notebook.

What do I need to know about gym etiquette?

  • If there are wipes and spray bottles around, wipe down anything you sweated on. This includes benches and the seats and handles of machines. Don’t forget to throw the wipe away afterward. You can also put your towel down on a bench or machine as a sweat barrier.

  • Whatever you use, put it back when you’re done.

  • It’s OK to rest a minute, or even a few minutes between sets. (For example, you just did 10 reps of bench press, and now you’re sitting on the bench for a few minutes before you do your next 10 reps.) But don’t take up space any longer than you need to.

If somebody is using a thing you’d like to use, it’s OK to ask them “how many sets do you have left?” and if the answer is a lot, you can ask “Do you mind if I work in?” which means that you’ll take turns using the equipment. If somebody asks these questions of you, be honest about how many sets you have left (it’s OK to make them wait) and offer to let them work in if you feel comfortable doing so.

If somebody offers you advice and you don’t know how to react, just say “OK.” If the advice is about following a gym rule, follow the rule. If it’s about how to properly use equipment, like adjusting a safety setting, take their advice. On the other hand, if it’s about the proper way to do an exercise, it’s 100% up to you whether you want to give their way a try or just go back to what you were doing. (I have a guide to responding to unsolicited advice.)

What about the second day?

It’s going to be so much easier the second day. You’ll know what’s available, where to find it, and what the routine is for checking in and finding a place for your stuff.

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Come in with a plan. It can be the same as your first day, or something new you’d like to try. If you did a full-body strength workout, the next day can be just plain cardio. And if you still feel nervous, don’t worry, it will get easier every day.

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New to the gym? A trainer says all you need is this four-move resistance machine workout to build full-body strength and confidence

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New to the gym? A trainer says all you need is this four-move resistance machine workout to build full-body strength and confidence

Resistance machines are tailor-made for beginners.

They might appear intimidating at first glance, but once you know how to use them, they can help anyone build strength—and confidence—safely.

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Too Busy to Exercise? Snack-Sized Workouts Are The Newest Fitness Trend In 2026

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Too Busy to Exercise? Snack-Sized Workouts Are The Newest Fitness Trend In 2026

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Even if someone has been inactive for months, a short burst of activity beats total stillness every single time.

Snack-sized workouts give results while also altering habits and mindsets.

Snack-sized workouts give results while also altering habits and mindsets.

Nowadays, moments pass like currency. Work stretches on, roads stay choked, homes demand attention, screens pull focus – movement fades into silence. The phrase “no time” arises more than any other when asked about fitness. Yet imagine a path to strength that asks for less than ten minutes? Suppose a change that could happen before a song ends?

We speak to Sumit Dubey, fitness expert, who explains what snack-sized workouts are, which will have people in a chokehold in 2026.

This query drives a rising fitness movement across India – the seven-minute routine. What began as curiosity is now how people approach exercise. While not every trend lasts, this is more about altering a person’s daily habits. With little time required, results emerge quietly.

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Why Short Workouts Are Gaining Popularity

Starting fast, one exercise follows another – squats lead into push-ups, then planks, lunges, and jumping jacks, with little pause. These workouts are built on intensity, it uses only body weight to work many muscles at once. Each move lasts about half a minute, cycling quickly without long breaks in between.

Anyone juggling work, study, or home life finds this approach appealing. Without requiring gear, subscriptions, or hours to spare, these workouts fit into tight schedules. A compact area suffices, provided there’s commitment to purposeful, energetic movement.

A typical day when one is working in cities often involves little movement, yet this approach makes physical activity more accessible. Because it demands minimal time, people can include it in their daily routine during early hours, midday pauses, or late evenings instead.

Is Seven Minutes Really Enough?

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Sure, seven minutes doesn’t seem like much, yet studies confirm brief spurts of intense movement – when performed right – deliver actual gains for body and mind. Though it feels almost suspiciously quick, the science backs up its worth.

Jump-starting your day with movement gets the blood pumping fast. Building stamina happens bit by bit when large muscles stay active throughout each session. With consistent effort, power grows alongside longer-lasting energy levels. Even if someone has been inactive for months, a short burst of activity beats total stillness every single time. Small blocks of motion add up more than expected over weeks.

Still, getting your hopes straight matters. Seven minutes of exercise won’t match extended routines meant for serious athletes or people chasing peak performance. Yet when it comes to staying well, managing body weight, and sticking with movement, this short routine packs real value right from day one.

The Consistency Advantage

Most people stick with brief exercises because they fit into daily life. When workouts drag on, energy drops – skipping them becomes likely. But just seven minutes? That fits anywhere, anytime.

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Starting small makes the effort feel less heavy on the mind. Because it seems doable, most keep going without second thoughts. Over time, those first short sessions often grow longer – not by force, but simply because moving gets easier.

Here in India, movement usually gets treated like it’s either total effort or none at all – so this change matters. Not as a chore that eats up hours, but simply showing up each day makes motion part of life.

Making the Most of a 7-Minute Routine

Start slow, stay sharp. Practise good form that will keep your body safe while building strength.  Maybe switching things up during the week keeps progress moving and stops results from stalling. One day might drill muscles, the next gets the heart pumping, while a different day balances posture and centre control.

Starting small with movement while building steady routines like walking often, eating slowly, or sleeping enough adds up naturally.

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Nowadays, short workouts are catching on because people want simpler ways to stay healthy. Health habits in India aren’t just about gym sessions or early jogs anymore. Instead, they’re shifting toward routines that fit real life better. Flexibility matters more than strict schedules these days.

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