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A Few Hours Of Walking Every Week Could Slash Your Risk Of An Early Death, New Study Suggests

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A Few Hours Of Walking Every Week Could Slash Your Risk Of An Early Death, New Study Suggests

A good workout can help you build muscle, get a better night’s sleep, and feel really good. But it might even help you live longer, a new study found.

You don’t even need to do anything drastic to reap the benefits. Here’s what researchers found, plus how to ramp up your own exercise routine to get the perks.

Meet the experts: Ryan Glatt, CPT, is a senior brain health coach and director of the FitBrain Program at Pacific Neuroscience Institute in Santa Monica, California. Albert Matheny, RD, CSCS, is a personal trainer and co-founder of SoHo Strength Lab.

What did the study find?

The study, which was published in the journal Circulation, analyzed data from two U.S. cohorts of more than 116,000 adults on their exercise routines and overall health. (Data was collected from the participants 15 times over 30 years.)

Scientists found that people who did 300 to 599 minutes of moderate-intensity exercise per week had a 26 to 31 percent lower all-cause mortality and a 28 to 38 percent lower risk of cardiovascular disease mortality. They also had an up to 27 percent lower risk of dying from something outside of cardiovascular disease. (Moderate physical activity is defined as walking, weightlifting, and other types of lower-intensity exercise, according to the American Medical Association.)

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That, of course, goes far beyond the recommended 150 minutes of moderate-intensity exercise advised by the Physical Activity Guidelines for Americans. But it appears as if working out more can raise your odds of living longer.

Can exercise make me live longer?

There are a lot of factors that go into how long you live, but plenty of research suggests that an exercise habit is linked with a larger life span.

For example, a recent study published in the British Journal of Sports Medicine found that people over the age of 40 could live an extra 5.3 years if they were as active as the top 25 percent of the population. And an older scientific analysis concluded that people who are physically active are up to 35 percent less likely to die from any cause compared to their inactive counterparts.

“Physical activity is an essential, but underutilized, strategy for aging well,” says Ryan Glatt, CPT, a senior brain health coach and director of the FitBrain Program at Pacific Neuroscience Institute in Santa Monica, California. “Even minimal activity levels can provide substantial health benefits, including disease prevention and improved quality of life.”

What type of exercise will make me live longer?

In general, any kind of activity seems to help people live longer. However, research suggests that strength training can make you biologically younger, while kettlebell training can help you to age more smoothly.

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If I’m not active, how can I get into exercise?

It’s important to start slowly, says Albert Matheny, RD, CSCS, a personal trainer and co-founder of SoHo Strength Lab. “At different points in your fitness, different exercises are appropriate,” he says. Meaning, you shouldn’t expect to be able to run a marathon if you’re not even doing a walking routine right now.

You can start out small by doing things like going for regular walks at a higher intensity, then ramping up to going for jogs and runs. You can eventually add in things like HIIT classes and strength training.

When you do strength training, Matheny says it’s important to focus on big muscle groups, like your legs. “Body weight exercises—lunges, squats, planks—are great for most people,” he says.

If you want a more defined introduction to exercise, Women’s Health has a four-week beginner workout plan to guide you through.

Ultimately, Matheny says it’s important to come up with a routine you can follow consistently. “Just do the best you can,” he says.

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Korin Miller is a freelance writer specializing in general wellness, sexual health and relationships, and lifestyle trends, with work appearing in Men’s Health, Women’s Health, Self, Glamour, and more. She has a master’s degree from American University, lives by the beach, and hopes to own a teacup pig and taco truck one day.

Fitness

Dull ache in your shin when running? Try these five osteopath-approved exercises

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Dull ache in your shin when running? Try these five osteopath-approved exercises

Shin splints are one of those nagging aches and pains most runners encounter at some point in their training—but that doesn’t mean you should just grin and bear it.

“We see it all the time in the clinic,” osteopath and clinical lead at The Livewell Clinic, Danny Sayandan tells Fit&Well.

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Five exercise swaps you should consider for more muscle growth, says a fitness expert

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Five exercise swaps you should consider for more muscle growth, says a fitness expert

Just because an exercise is considered a ‘classic’ or everyone on the gym floor is doing it, doesn’t necessarily mean it’s the best for muscle growth. While there are lots of exercises out there that are effective for hypertrophy, there are some that are arguably ever so slightly better, due to the fact that they’re easier to progressively overload, or are more convenient, time-wise.

If you’ve started to hit a plateau in your training or feel your gains have been somewhat minimal, then it may be time to switchup your programme. Exercise Researcher, Dr. Pak Androulakis-Korakakis, has shared five exercises in a recent YouTube video, that he’s stopped doing for muscle growth, and some smart swaps you can try instead to unlock better (and hopefully bigger) results…

Barbell back squat

(Image credit: Getty Images)

The barbell back squat is hailed as the king of lower body exercises – like, if you don’t do it, who are you? But is it best for honing in on your quads? Dr. Pak would disagree. “Barbell squatting, in my opinion, is not the most time-efficient way to blast your legs, and can feel ‘meh’ given that it overloads your spine.” It’s also not the safest exercise to go all out to failure on.

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Mitochondria and aging: Why HIIT is the game-changer for fitness and longevity

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Mitochondria and aging: Why HIIT is the game-changer for fitness and longevity

The mitochondria are considered the ‘powerhouses’ or ‘engines’ of your cells. As Dr. Terry Wahls points out, most chronic diseases involve dysfunctional mitochondria. Poorly functioning mitochondria play a big role in disease risks, a slower metabolism, and the aging process. Researchers have concluded that exercise improves mitochondrial quality and function and stimulates mitochondrial turnover. It’s time to start thinking about these little organelles that have a big impact on our wellness and longevity.

Exercise for your mitochondria

Additional research also revealed that just 12 weeks of resistance exercise training yielded qualitative and quantitative changes in skeletal muscle mitochondrial respiration. Not only did resistance training increase lean body mass by 4% and quadriceps muscle strength by 15%, but staying committed to those 12 weeks of training also improved the respiratory capacity and functioning of the mitochondria.

So, which exercise is superior for improving mitochondrial functioning? Which exercise results in the most dramatic positive cellular changes? Let’s dive into the research.

The study

In a study published in Cell Metabolism, the researchers explored how different types of exercise — resistance training, high-intensity interval training (HIIT), or a mix of both — change muscles and cells at the molecular level in younger and older adults. The researchers focused on how genes and proteins respond to exercise, how exercise impacts the mitochondria, and how these changes affect overall fitness and metabolism.

The study methods

For 12 weeks, younger and older adults completed one of three exercise programs: traditional resistance training, HIIT, or a mix of both at a lower intensity. The researchers measured fitness and VO2 peak, insulin sensitivity, muscle mass and strength, mitochondrial health and function, and changes in gene activity and protein levels in muscle.

The results

Here are the study results:

  • HIIT has the biggest impact in improving aerobic fitness, insulin sensitivity, and mitochondrial function, compared to other workouts. These results were especially noticeable for older adults.
  • HIIT reversed some age-related declines in muscle mitochondria and enhanced the cell’s ability to make new proteins.
  • HIIT enhanced mitochondrial capacity by close to 50% for young adults and nearly 70% in older adults.
  • Resistance training mostly helped build muscle mass and strength, but didn’t have as much of an impact on aerobic fitness or mitochondria. The combined training resulted in smaller and moderate benefits compared to just doing HIIT alone.

Changes at the molecular level

HIIT caused significant increases in gene activity and protein-building machinery. Most of the benefits from exercise take place after the genes send their signals during the protein-building stage. HIIT improved protein quality and helped reduce damage to muscle proteins, which helps the body build new and efficient mitochondria.

Concluding thoughts

This study shows that HIIT is one of the most powerful ways to improve muscle health and fitness even in later years. This type of exercise, which involves shorter bursts or intervals of higher-intensity movements, is superior for the mitochondria and helps your body make more and better mitochondria, which can slow age-related decline and boost your energy levels.

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