Fitness
Doctors Reveal Whether You Really Need To Exercise To Lose Weight
It’s been a hotly debated topic for years: Is focusing on your diet or your workout regimen better when you’re trying to lose weight? While research over time has generally found that dietary changes will have a larger impact on your weight than exercise alone, health experts still stress the importance of exercise in a holistic weight loss program—and here’s why.
On its own, “exercise is not a very effective tool for weight loss,” says Alexandra Sowa, MD, an internal medicine doctor specializing in preventative health, nutrition, and obesity medicine and the author of the forthcoming book The Ozempic Revolution. “But exercise is still important for cardiovascular health, overall longevity, and cognitive health.”
To simplify things, Mir Ali, MD, the medical director of MemorialCare Surgical Weight Loss Center at Orange Coast Medical Center in Fountain Valley, California, says to consider this comparison: A 155-pound adult will burn about 200 calories doing a 30-minute low-impact aerobics class. A tall Starbucks mocha is nearly 300 calories. Based on the math alone, you’d have more impact on your weight loss efforts—and save more time—by simply skipping the mocha.
Research has had similar conclusions. One scientific review concluded that doing consistent moderate-intensity aerobic exercise, like walking for 30 minutes a day, five days a week, likely won’t lead to any significant weight loss in most people without dietary changes. Another older scientific analysis of six studies in the Journal of the Academy of Nutrition and Dietetics found that people who focused on diet and exercise to lose weight didn’t end up dropping more pounds in a six-month period than people who solely altered their diet.
Exercise isn’t completely meaningless when it comes to weight loss, though.
In fact, some data suggest that a combination of dietary changes and exercise is superior to help you drop pounds. “The majority of weight loss involves diet, but exercise plays a role,” says Dr. Ali. “It can help support weight loss, and maintain your metabolism.” But if you don’t tweak your diet first and foremost, you likely won’t see notable results, he notes.
Also, exercise may make more of a difference in your waistline over the long term. That same study in the Journal of the Academy of Nutrition and Dietetics that found exercisers and dieters lost similar amounts of weight after six months did determine that people who focused on combining diet and physical activity lost more weight over a year than interventions based on diet or physical activity alone.
Working out beyond what’s recommended may have an impact, too. One study found that people who burned at least 400 to 500 calories a workout, five or more days a week, experienced weight loss without nutrition interventions. That’s why you may notice that you slim down if you’re, say, training for a half marathon or distance bike race.
Exercise can also help prevent weight gain and support weight maintenance once you reach your goal weight, Dr. Sowa says. That’s why she suggests that her patients “get into the habit of exercise to maintain weight loss and improve long-term health.”
Meet the experts: Mir Ali, MD, is the medical director of MemorialCare Surgical Weight Loss Center at Orange Coast Medical Center in Fountain Valley, California. Michael Snyder, MD, is the director of the Denver Center for Weight Loss and Bariatric Surgery Foundation and a medical advisory team member at FuturHealth. Alexandra Sowa, MD, is an internal medicine doctor specializing in preventative health, nutrition, and obesity medicine and the author of the forthcoming book The Ozempic Revolution.
Whether strength training is more impactful for weight loss than cardio is still up for debate.
Strength training is generally seen as a wise move because it helps to build muscle mass. The more muscle you have, the harder your body works at rest to burn calories, Dr. Ali explains. It’s also important to focus on increasing muscle mass as you lose weight because your body tends to lose lean muscle mass along with fat. Not only can that mess with your overall strength, it can also lower your metabolism, so you end up not burning as many calories at rest as you did in the past, Dr. Ali adds.
Of course, exercise of any sort still burns calories, and that shouldn’t be minimized. “But exercise can also increase feelings of hunger,” Dr. Ali notes. So, if you’re not being mindful of your diet while working out, you may end up taking in the same amount of calories that you burned during your workout or even more.
When paired with nutrition changes, a workout regimen that prioritizes resistance training and includes some aerobic activity is the sweet spot for weight loss.
Something else to consider: Doctors who prescribe weight loss medications usually recommend that you don’t go overboard with cardio when you’re taking something like Ozempic. Among other things, the medications tend to lower your blood sugar and exercise has a similar impact. Having blood sugar that’s too low raises your risk of uncomfortable symptoms like a rapid heartbeat, shaking, and feeling weak. “If you overdo it with aerobic exercise, it can lower your sugar further,” Dr. Ali says. “However, the point of excessiveness is different for each person.” Meaning, some cardio is probably fine. But training for a marathon while taking Ozempic may be something to discuss and plan for with your physician.
One 2022 scientific review published in the journal Obesity Reviews found that a mix of resistance training and calorie restriction was the most effective at reducing body fat compared to these interventions on their own. However, the researchers also found that a combination of resistance training and aerobic exercise also lead to “significant results.” Worth noting: Resistance training alone was also the most effective for increasing lean mass.
A 2021 analysis of 12 reviews and 149 studies also found that aerobic exercise and HIIT workouts were effective at weight management, while resistance training helped lower the odds of lean muscle mass loss while people lost weight. “These findings show favorable effects of exercise training on weight loss and body composition changes in adults with overweight or obesity,” the researchers concluded.
How To Lose Weight Effectively—Beyond Your Exercise Routine
Doctors recommend these tips whether you’re losing weight with or without medical intervention (say, with the help of a weight loss medication). Experimenting with all of the tips below can help you achieve noticeable and lasting weight loss results—and complement a workout plan too.
1. Prioritize protein.
Everyone should be eating protein, but Dr. Sowa says it’s “very, very important” when you’re on a weight loss journey. “It’s satiating and fills you up,” she says. Protein also helps to prevent muscle loss as you lose weight—a common issue—and to improve your muscle mass, she says.
Everyone’s protein needs are slightly different, but the bare minimum recommendation is 0.35 grams of protein per pound of body weight every day if you’re not active, according to The Academy of Nutrition and Dietetics. But many doctors say you’ll likely need more, especially if you’re active and strength training. That can put you more at something like 0.73 to 1 grams of protein per pound of body weight (or about 30 to 35 grams of protein per meal), per the National Academy of Sports Medicine.
2. Ramp up your fiber intake.
Fiber has a lot going for it. “Fiber slows digestion, keeps you feeling full, and helps regulate blood sugar levels,” says Michael Snyder, MD, director of the Denver Center for Weight Loss and Bariatric Surgery Foundation and medical advisory team member at FuturHealth. That translates to you feeling fuller, longer after meals and makes it less likely you’ll overeat.
The U.S. Dietary Guidelines for Americans recommend that adult women have 22 to 28 grams of fiber a day, but most Americans aren’t getting that. Consider incorporating fiber-rich foods like fruits, vegetables, whole grains, and legumes into your diet. (Just ramp up your fiber intake slowly, or you’ll end up dealing with uncomfortable bloating and gas.)
3. Get plenty of quality sleep.
Sleep hasn’t been a huge focus with weight loss in the past, but doctors swear it’s a crucial element. When you don’t get enough sleep, your body craves more energy—and that can cause you to reach for more food, Dr. Sowa says.
Dr. Snyder agrees: “Poor sleep disrupts hunger hormones, leading to overeating.”
Everyone’s sleep needs are slightly different, but it’s generally recommended that adults get seven hours of sleep or more a night.
4. Cut out sugary beverages.
Sugary drinks like sodas and sweet teas are packed with simple carbohydrates and add empty calories to your day, Dr. Ali says. If sugary drinks are a regular part of your life, “your body will use those simple carbohydrates as a fuel source rather than burning fat for fuel,” Dr. Ali explains.
These drinks can also mess with your blood sugar, which can cause you to have energy crashes, making you more prone to overeating, Dr. Snyder says.
5. Practice mindful eating habits.
It’s practically inevitable that you’ll have to eat in front of your computer at some point or that you’ll want to be entertained during dinner. But doing your best to focus on the food in front of you vs. your Instagram feed, and how your body feels while you’re eating can go a long way toward keeping you from overeating, Dr. Ali says.
Among other things, research has shown that mindful eating can help lower the risk of emotional eating. “If you’re more aware about what you’re taking in, you’re more likely to eat better,” Dr. Ali says.
6. Stay well hydrated.
Don’t sleep on the power of hydration. “Not getting enough fluids will make you feel more tired and rundown,” Dr. Ali says. Having enough fluids can also help you to feel fuller, longer and lower the odds you’ll overeat, he says.
Doctors generally recommend that you aim to have your pee be a pale yellow color—that indicates that you’re well hydrated. But if you want a more definitive guide, the U.S. National Academies of Sciences, Engineering, and Medicine recommends that women aim to have 11.5 cups (2.7 liters) of fluids a day from foods and drinks.
7. Make your stress management plan as foolproof as possible.
Some stress is inevitable in life, but being chronically frazzled isn’t great for your weight loss efforts. “Chronic stress increases stress hormone levels, which can lead to weight gain and dietary de-regulation,” Dr. Snyder says.
Research shows that stress ramps up the levels of the hunger hormone ghrelin in your body, stimulating your appetite and encouraging you to eat more than you might have if you were feeling more zen.
8. Add in plenty of vegetables at every meal.
Vegetables usually contain plenty of fiber, which is useful for weight loss, as mentioned. But Dr. Sowa notes that they’re also a great way to fill up while getting in plenty of nutrients. “Vegetables are a wonderful low-calorie, high-density food,” she says.
They can also help crowd out less healthy foods from your plate, Dr. Ali says. He just suggests focusing on high-fiber, lower starch vegetables for weight loss.
9. Swap out refined grains for whole grains.
Quick primer: Refined grains have a lot of nutrients removed and include things like white pasta and white bread. Whole grains have plenty of nutrients and include things like whole wheat, oats, and quinoa.
“Whole grains have more fiber, have a lower effect on blood sugar, are more nutrient-dense, and give longer appetite satisfaction and sustained fullness,” Dr. Snyder says.
Again, doctors stress the importance of continuing to exercise when you’re on a weight loss journey. “You still want to be active,” Dr. Ali says. “You want to at least maintain the activity that you’re already doing, and ideally increase it.”
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
80-year-old fitness icon Joan MacDonald reveals her simple exercise for a stronger, more stable core
Joan MacDonald didn’t enter a gym until she was 70. Really. Since then, the 80-year-old has transformed her health by losing three stone and building significant muscle, and now coaches other women through her training platform, Train With Joan, which she launched to help others boost their fitness at any age.
The premise of her app is simple: minimal-equipment workouts built around no-fuss, effective exercises that can be done anywhere. One ‘powerful core and stability exercise’ she swears by is alternating bodyweight clock taps. ‘This movement helps strengthen the muscles that keep you stable, balanced and moving well as you age,’ Joan explains.
Bodyweight clock taps benefits
Think they look too simple? That’s the point. Joan is adamant that ‘You don’t need complicated workouts to start getting stronger. Sometimes the most effective movements are the simple ones you do consistently.’
According to Joan, regularly performing bodyweight clock taps help:
- ‘Strengthen your core which supports your spine and reduces strain on your lower back.
- ‘Improve balance and coordination, helping you stay steady on your feet.
- ‘Increase hip stability, which supports your knees and joints.
- ‘Build functional strength for everyday movements like stepping, turning and reaching.
- ‘Help reduce fall risk by improving control and body awareness’
How to do bodyweight clock taps
Find a demo from Joan above, along with instructions for how to do them with proper form below.
- Stand on one leg with a slight bend in your supporting knee and brace your core.
- Keeping your hips level, reach your free foot forward to lightly tap the floor in front of you (12 o’clock), then return to the centre.
- Continue tapping to different “clock” positions—such as 3, 6 and 9 o’clock—maintaining your balance and control throughout.
- Complete all reps on one leg before switching sides.
Form tip: Move slowly and focus on staying stable. The goal is controlled movement, not how far you can reach.
How many reps and sets to do
Joan shares her advice, according to your fitness level.
- Beginners: ‘3 taps per leg x 8-10 reps’
- Intermediate: ‘3 taps per leg x 10-12 reps’
- Advanced: ‘3 taps per leg x 12-15 reps’
One of our most frequently asked questions here at Women’s Health? How to build muscle and burn fat at the same time. So, we asked superstar trainer Oyinda Okunowo exactly how to do it. In this 4-week plan – created exclusively for Women’s Health COLLECTIVE members – you’ll get the workouts and nutrition guidance needed to help you on your way to better body composition. Tap the link below to unlock 14 days of free access to Oyinda’s plan and start training today.
Get the plan
As Women’s Health UK’s fitness director and a qualified Pilates and yoga instructor, Bridie Wilkins has been passionately reporting on exercise, health and nutrition since the start of her decade-long career in journalism.
After earning a first-class degree in journalism and NCTJ accreditation, she secured her first role at Look Magazine, where she launched the magazine’s health and fitness column, Look Fit, before going on to become Health and Fitness writer at HELLO!
Since, she has written for Stylist, Glamour, Cosmopolitan, Marie Claire, Elle, The Metro, Runner’s World and Red. Today, she oversees all fitness content across Women’s Health online and in print, spearheading leading cross-platform franchises, such as ‘Fit At Any Age’, which showcases the women proving that age is no barrier to exercise.
She has also represented the brand on BBC Radio London, plus various podcasts and Substacks – all with the aim to encourage more women to exercise and show them how. Outside of work, find her trying the latest Pilates studio, testing her VO2 max for fun (TY, Oura), or posting workouts on Instagram.
In the 19 years since retiring from professional tennis, Tim Henman has barely aged. A large part of that comes down to his approach to fitness. The 51-year-old believes that ‘being active is always going to be a part of my identity’, which helps him maintain a consistent training routine.
Even while spending much of his time covering tennis as a commentator and pundit, and serving on the board at Wimbledon, Henman still makes time for his own athletic pursuits. Especially now that he has a different kind of motivation.
How Tim Henman Stays Fit After Retirement
‘I’ve got a gym at home and I try to exercise pretty regularly because I feel much better for it,’ Henman tells Men’s Health. ‘But one of my passions is wine. So if I’m having a few glasses of wine – you’ve got to treat yourself – then that definitely incentivises me to get in the gym. I’ve always exercised and I think it’s good for me both physically and mentally.’
That doesn’t mean Henman is completing brutal workouts or chasing specific performance goals. Instead, he prefers a straightforward routine that supports his lifestyle and helps him manage the wear and tear accumulated during his tennis career.
‘I don’t run that much anymore. We’ve got dogs at home, so I walk them a lot, and if I’m at tournaments or working, I’ll do quite a bit of incline walking on the treadmill. Then it’s just a good mix of weights and core work. I’m not trying to run any marathons – I’m just trying to stay in relatively good shape,’ he says.
‘I understand my body and know what I can and can’t do, especially because I’ve had three elbow surgeries and a shoulder surgery. So I’m a little careful around those joints.
‘Posture is so important for shoulder health. I focus on resistance-band exercises to make sure I’m strong through my back and maintaining good posture. Then the core is so important, so I try to stay strong through planks and side planks as much as possible.’
Why Henman Is Excited for the Laver Cup
His approach to fitness has changed dramatically over the past two decades. Where he once played tennis every day, Henman admits he’s now lucky if he gets on court twice a year. These days, golf is his sporting obsession.
That doesn’t mean he’s any less passionate about tennis, however, as he prepares to return as Team Europe vice-captain at the Laver Cup this September at The O2.
‘I’m so excited,’ he says. ‘The first time I ever experienced the Laver Cup was at The O2 when Roger Federer was retiring. I’d never seen the event live and I was probably a bit sceptical at that stage. But I was there working for television and, for those three days, I was completely blown away by the delivery of the event, the intensity of the players and the quality of the matches.
‘Tennis is an individual sport and players spend most of the year competing on their own. But I’d struggle to name any player, male or female, who doesn’t enjoy being in a team environment every once in a while.
‘The way the Laver Cup has evolved and grown is so special, and Federer deserves a lot of credit for that vision.
‘With an arena like The O2, it’s one of the biggest venues in tennis. There’ll be 17,000 or 18,000 people packed in there and, with the roof on, the atmosphere is incredible.’
Laver Cup returns to The O2, London, from 25-27 September, bringing together many of the world’s biggest tennis stars as Team Europe takes on Team World in the sport’s unique team competition. Tickets are on sale now via AXS, the official ticketing partner of The O2. Visit lavercup.com for more information.
Ryan is a Senior Writer at Men’s Health UK with a passion for storytelling, health and fitness. Having graduated from Cardiff University in 2020, and later obtaining his NCTJ qualification, Ryan started his career as a Trainee News Writer for sports titles Golf Monthly, Cycling Weekly and Rugby World before progressing to Staff Writer and subsequently Senior Writer with football magazine FourFourTwo.
During his two-and-a-half years there he wrote news stories for the website and features for the magazine, while he also interviewed names such as Les Ferdinand, Ally McCoist, Jamie Redknapp and Antonio Rudiger, among many others. His standout memory, though, came when getting the opportunity to speak to then-Plymouth Argyle manager Steven Schumacher as the club won League One in 2023.
Having grown up a keen footballer and playing for his boyhood side until the age of 16, Ryan got the opportunity to represent Northern Ireland national futsal team eight times, scoring three goals against England, Scotland and Gibraltar. Now past his peak, Ryan prefers to mix weightlifting with running – he achieved a marathon PB of 3:31:49 at Manchester in April 2025, but credits the heat for failing to get below the coveted 3:30 mark…
You can follow Ryan on Instagram or on X
Fitness
Quote of the day by Cher: ‘Nothing lifts me out of a bad mood better than a hard workout on my…’ – motivating life lessons by Oscar-winning actress of Moonstruck and singer of Believe on exercise, mental health, fitness and how this daily habit can transform your mood and mindset
Quote of the Day Today: Cher on Exercise
Cher said, “Nothing lifts me out of a bad mood better than a hard workout on my treadmill. It never fails. Exercise is nothing short of a miracle,” as per BrainyQuote.
What Cher’s Quote Means: Why Exercise Can Transform Your Mood
Cher’s quote highlights the powerful connection between physical activity and emotional well-being. Rather than seeing exercise as only a fitness routine, she describes it as something that consistently helps improve her mood and clear her mind.
Her words suggest that movement can provide more than physical benefits. A workout can help reduce stress, increase energy, and shift attention away from negative thoughts. By calling exercise “nothing short of a miracle,” Cher emphasizes the positive impact it has had on her own life.
Life Lesson from Cher’s Quote
The quote reminds readers that small, healthy habits can make a significant difference in everyday life. While exercise may not solve every problem, making time for physical activity can help people feel stronger, calmer, and better equipped to handle daily challenges. Cher’s message encourages people to view exercise not as a chore, but as an investment in both physical and mental well-being.
Who Is Cher
Cher (born May 20, 1946, in El Centro, California) is an American singer, actress, and entertainer whose career has spanned more than five decades. According to a Britannica report, she is known for her success in music, film, and television and for continually reinventing herself.
Cher’s Early Life
Born Cherilyn Sarkisian, Cher faced financial hardships during childhood and struggled with undiagnosed dyslexia. She left school at age 16 and moved to Los Angeles, where she began her entertainment career.
Cher’s Rise to Fame
Cher found success with Sonny Bono as part of Sonny and Cher. Their 1965 hit “I Got You Babe” launched their careers, and she later became a solo star with number one hits including “Gypsys, Tramps & Thieves,” “Half-Breed,” and “Dark Lady,” as per the Britannica report.
Cher’s Acting Career
Cher earned critical acclaim for films including Silkwood and won the Academy Award for Best Actress for Moonstruck (1987). She also starred in Mask, The Witches of Eastwick, Burlesque, and Mamma Mia! Here We Go Again.
Cher’s Legacy
Cher made a successful music comeback with Believe, winning a Grammy Award for the hit song. She later received Kennedy Center Honors in 2018, was inducted into the Rock and Roll Hall of Fame in 2024, and published Cher: The Memoir, Part One the same year, as per the Britannica report.
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