Fitness
6 Habits to Break Right Now if You Want to Lose Weight Fast
The end of 2024 is coming up fast. Have you seen the results you’ve wanted on your fitness journey? If you’ve been exercising but seeing limited results, there’s a chance some of your habits are holding you back. A few simple changes can help you avoid weight cycling, which is when you gain weight right after losing it, and begin promoting healthy habits that you’ll be able to rely on for a lifetime.
Don’t forget that weight doesn’t determine your health. You should always check with your doctor to discuss other aspects of your wellness that you can focus on instead of weight loss.
Here are the top pitfalls you should avoid to help improve your chances of success. They’re not as big of a change as you might think.
1. Stop thinking in the short term
Everything on this list is somewhat of a hard truth, but this is often the hardest to accept (and change). If you approach weight loss with a short-term attitude, you may not make it anywhere except on the yo-yo diet train.
Without a long-term approach to weight loss, you may lose 10 or more pounds in two weeks and then suffer a rebound when you discover that regimen wasn’t working for you. This is all too common when people embark on strict diets such as keto or paleo or fad diets that promise rapid weight loss. In reality, for most people, a well-balanced diet that includes all food groups and even some treats works best in the long run.
Part of successful, sustainable weight loss — losing the weight and keeping it off for good — is understanding that fad diets, excessive exercise and “detoxes” don’t usually work. They last only as long as your willpower lasts, and I’m willing to bet that’s not more than two weeks to a couple of months.
There are no quick fixes, miracle cures or magic pills when it comes to weight loss, despite what the wellness industry might have you believe: Losing weight requires dedication to a plan that supports long-term healthy habits.
The general recommendation for weight loss is a rate of 1 to 2 pounds per week, although initial weight loss might surpass that for people who are very overweight, and then slow down to the suggested one to 2 pounds per week. Studies have shown this to be an effective way to lose weight without losing too much water or lean tissue — and to avoid a rebound.
Overcoming an all-or-nothing mindset promotes long-term weight loss.
2. An all-or-nothing mindset could be harmful
Many people who struggle with a short-term attitude also struggle with an all-or-nothing mindset. I began my health and fitness journey with this mindset. I cut out all processed foods: no bread, no pasta, no milk, no cheese and no individually wrapped snacks. I basically existed on chicken, vegetables and berries.
This was great until it wasn’t, and I ended up on a CVS run for all the chocolate and Goldfish I could hold in two hands. Then, because I’d “ruined” my diet, I would eat as much as I could physically handle, because, “Why not? I already ruined it.”
Then I’d feel bad about the snacks I ate and return to my overly restrictive regimen the next day. This is a destructive cycle to be in, but it’s something I see all the time with personal training clients. An all-or-nothing mindset can keep you in a perpetual cycle of lose-gain-lose, not to mention shame and guilt around food.
This all-or-nothing concept applies to fitness, too: If you’ve been doing the most effective workouts to get in shape in the least amount of time left and right but don’t feel fitter or stronger, you might be doing too much. Toning it down could — counterintuitively — be the answer to improving your fitness (and playing the long game).
A supportive community, IRL or online, can keep you motivated to lose weight and stay fit.
3. A stronger support system could do the trick
Supportive friends, family members and significant others are critical to successful weight loss. If I was asked to cite the most common reason for not sticking to a healthy diet from my past personal training clients, I would say stigma.
That’s right. As silly as it sounds, people really do get made fun of for eating healthy, especially in regions where food is an integral part of the culture. Growing up in southern Louisiana near New Orleans, I experienced this very often when I decided I was making changes to my diet.
At family gatherings and social outings, I’d get comments like, “That’s all you’re eating?” or, “You’re really not going to eat any dessert?” or, laden with sarcasm, “Next time we’ll have a salad potluck.”
It’s not fun to be ridiculed or scoffed at, especially for things you care about (like your health!), so it can be very easy to fall into a trap of eating — and drinking — for the sake of your social life. This is why a solid support system is key to long-term weight loss. Without it, the journey can feel lonely and intimidating.
If you currently feel you lack a support system, try having open conversations with your friends, family and partner about it. You can make it clear that they don’t have to change their eating habits if they don’t want to, but that your health means a lot to you and you’d appreciate it if they didn’t mock or downplay your hard work.
If an IRL support system isn’t working out, turn to online communities that promote both health and body positivity. I really love Flex and Flow on Instagram, Health At Every Size and the Intuitive Eating Community. These communities emphasize health without emphasizing weight, which is helpful because when you focus on health outcomes, you’ll reach your happy weight with ease. Reddit also has a great forum (/r/loseit) where you’ll find lots of real-life stories about weight loss.
Exercise is important for an overall healthy lifestyle, but it’s hard to lose weight from exercise alone.
4. Exercise doesn’t always conquer all
If you’re at all attuned to the wellness industry, you’ll know this saying: “Abs are made in the kitchen, not the gym.” Even if your goals don’t include a shredded stomach, the adage is still relevant. You just can’t out-exercise a poor diet.
Exercise should be part of your overall approach to weight loss because it’s proven to aid weight loss (not to mention its long list of other health benefits), but it’s difficult to lose weight from exercise alone. Many people overestimate the number of calories they can burn from their workouts; it’s typically a lot less than you think, and far less than the calories your body burns at rest during the day just maintaining your current physique.
For example, a 154-pound man will burn fewer than 450 calories during an intense, hourlong weight-lifting workout. You can easily cancel that effort out if you don’t pay any attention to your diet. The exact number of calories you burn during exercise depends on many factors, including your current weight, the intensity of the activity, the length of the workout, your age and your body composition.
Plus, focusing on only exercise can lead to a destructive cycle of exercising extra to burn off calories you feel you shouldn’t have eaten. Or you may end up feeling like you need to “earn” your calories through exercise. Either way, taking this approach can lead to a strained relationship with food and exercise, as well as stalled weight loss.
Some people, such as those who have spent years putting on muscle mass, can eat lots of calorie-dense food and not gain weight because muscle burns more calories at rest. Even if you can eat whatever you want and lose or maintain your weight, that doesn’t mean it’s healthy for you.
A diet rich in fruit, vegetables, healthy fats, lean proteins and some whole grains will serve you best in terms of sustainable weight loss and health. Combined with a consistent exercise routine, you’ll experience sustained weight loss and weight maintenance once you reach your goal weight.
Chronic stress and sleep deprivation can hinder weight loss progress.
5. Sleep more, lower stress and eat better
Losing weight will be much harder if you’re chronically stressed, sleep-deprived or overworked. This scenario may sound familiar to you:
- You wake up motivated and ready to seize the day. You have plans for a post-work interval run and your healthy, prepped dinner is waiting in the fridge for you.
- A few hours into the day, your lack of sleep catches up with you. You reach for the afternoon coffee.
- By the time work is over, you’re way too drained to go for that run. You decide to skip it.
- You’re tired and maybe a little stressed or moody, so you nix the healthy dinner and hit a drive-through instead — because you want comfort food.
This is OK if it happens occasionally (everyone deserves a lazy evening every once in a while), but weight loss will seem impossible if this happens all the time.
The truth is that nutrition and exercise are only two components of a healthy life that can lead to weight loss. While important, too strong of a focus on nutrition and exercise can cause you to overlook other factors that are just as important: sleep and stress management.
Supplements don’t work unless you do.
6. Supplements can’t do all the heavy lifting
I hate to be the bearer of bad news, but that fat burner supplement in your medicine cabinet isn’t going to do the work for you. Certain supplements may help you reach your weight loss goals, but you have to work to make your supplements work.
For example, incorporating a daily protein shake in the mornings can help you feel fuller throughout the day, which may help keep cravings at bay. Increased protein intake can also help you build muscle, which aids in body recomposition.
Certain weight-loss supplements do have some evidence backing them, but no supplements are proven like the method that no one wants to take: eat fewer calories than you burn.
Fitness
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Fitness
Exercise Boosts Brain ‘Ripples’ Tied to Learning and Memory
While exercise is known to improve memory, scientists have mostly studied this effect by using behavioral tests or brain imaging methods like MRIs, says Michelle Voss, PhD, one of the study’s authors, a professor, and the director of the Health, Brain, and Cognitive Lab at the University of Iowa in Iowa City.
But she says these approaches can’t precisely identify where “ripples” originate, particularly in the deep brain structures like the hippocampus, a part of the brain strongly connected to memory and learning, she says.
The current study, published in Brain Communications, recorded electrical activity directly, using surgically implanted (intracranial) electrodes. “This allowed us to observe how exercise changes the brain’s memory circuits in real time,” Dr. Voss says.
20-Minute Bursts of Exercise Increase Brain Ripples
The participants performed a 5-minute warm-up and then rode a stationary bike for 20 minutes at a pace they could maintain. Researchers recorded their brain activity before and after the biking session.
The electrodes showed an increased rate of so-called sharp-wave ripples from the hippocampus and connections with cortical regions of the brain, which are involved in learning and memory.
“Sharp-wave ripples have long been known from animal studies to play a central role in memory,” Voss says, adding that recent studies using intracranial recordings in humans also support the importance of ripples for human memory.
“Our findings are the first to show that exercise can modulate these ripple signals in the human brain,” she says.
Researchers also observed that larger increases in heart rate during exercise were associated with larger changes in ripple activity in cortical networks, Voss adds.
What’s Already Known About Exercise, Memory, and Learning
Exercise helps build connections between neurons, which deepens and strengthens brain networks, Franssen says.
Physical activity also improves metabolism, which improves insulin sensitivity, helping blood sugar regulation and giving the brain a “more stable and reliable supply of fuel,” Dr. Perlmutter says.
“This is critically important because the brain is an energy-intensive organ, consuming roughly 20 percent of the body’s energy despite representing only a small fraction of body weight,” he adds.
The Research Has Limitations
Voss says researchers were careful to “exclude signals that contained epileptic activity. However, of course, we can’t statistically control for the accumulated effects of having epilepsy on the brain.”
The exercise-brain ripple patterns observed in the current study also closely match those observed in healthy adults using noninvasive brain imaging, such as MRI, she added.
“That convergence across very different methods is one of the strongest indicators that the effects are not specific to epilepsy, but reflect a more general human brain response to exercise,” Voss said.
Researchers also didn’t directly test memory performance, Voss notes. “While hippocampal ripples are strongly linked to memory processing in decades of neuroscience research, the next step will be to measure how exercise-related changes in ripples relate to memory performance in the same individuals.”
Future studies should also compare exercise with other everyday activities, such as sitting quietly or light movement, to determine how specific these effects are to aerobic exercise at the intensity that was studied, she says.
Satisfy Your Brain’s Exercise Craving
It’s never too early or too late to start exercising for brain health, Franssen says.
People of any age, from grade-school children to people in their nineties, can benefit from increased physical activity, Perlmutter says. “My recommendation is to consider taking advantage of the connection between physical activity and brain health across the entire range of human aging.”
Any type of exercise is great, Franssen says, but especially “repetitive behaviors,” like swimming, jogging, and walking.
“Sometimes we let the hugeness of putting in a huge fitness routine get in our way,” she says. “Having a little exercise snack every so often is also very important to improving cognition.”
Fitness
Higher Fitness Levels Amplify Brain Benefits After Exercise, Study Finds
Increasing our level of physical fitness leads to a bigger release of brain-boosting proteins following one session of exercise, a new study led by a UCL researcher has found.
The study, published in Brain Research, took a group of inactive unfit participants through a 12-week training programme of cycling three times per week and made them fitter. Researchers found as their fitness increased, so did the amount of brain-derived neurotrophic factor (BDNF) released following exercise, resulting in improved brain function.
Just 15 minutes of moderate to vigorous aerobic exercise releases BDNF, a brain protein which is known to support the formation of new neurons and new synapses (connections between brain cells), and maintains the health of existing neurons. This is the first study to show that for unfit people, just 12 weeks of consistent training can boost the brain’s response to a single 15-minute workout.
The study, led by Dr Flaminia Ronca (UCL Surgery & Interventional Science, and the Institute of Sport, Exercise and Health), involved 30 participants – 23 male and seven female – taking part in the 12-week programme. To assess fitness levels throughout the programme, participants completed VO2max tests every six weeks, which measures the maximum rate of oxygen your body can consume and use during intense exercise.
BDNF levels were measured pre- and post-VO2max testing, alongside a series of cognitive and memory tests, while also measuring changes in brain activity in the prefrontal cortex – where executive functions such as decision-making, emotion regulation, attention and impulsivity are controlled.
By the final week of the trial, results showed that baseline levels of BDNF did not change, but participants did show a larger spike of BDNF following intense exercise, compared to how their brains responded to intense exercise before the 12-week programme. This was linked to improvements in VO2max (aerobic fitness).
Higher overall BDNF levels and stronger exercise-induced increases were also associated with changes in activity across key areas of the prefrontal cortex during attention and inhibition tasks, though not during memory tasks.
Overall, the results showed that increasing physical fitness can enhance the brain’s ability to produce BDNF in response to acute bouts of exercise, which can have a strong positive influence on neural activity.
Lead author Dr Flaminia Ronca said: “We’ve known for a while that exercise is good for our brain, but the mechanisms through which this occurs are still being disentangled. The most exciting finding from our study is that if we become fitter, our brains benefit even more from a single session of exercise, and this can change in only six weeks.”
Notes to editors:
For more information or to speak to the researchers involved, please contact: Tom Cramp, UCL Media Relations , T: +447586 711698, E: [email protected]
The research paper: ‘BDNF relates to prefrontal cortex activity in the context of physical exercise’, Flaminia Ronca, Cian Xu, Ellen Kong, Dennis Chan, Antonia Hamilton, Giampietro Schiavo, Ilias Tachtsidis, Paola Pinti, Benjamin Tari, Tom Gurney, Paul W. Burgess, is published in Brain Research, March 2026,
About UCL (University College London)
UCL is a diverse global community of world-class academics, students, industry links, external partners, and alumni. Our powerful collective of individuals and institutions work together to explore new possibilities.
Since 1826, we have championed independent thought by attracting and nurturing the world’s best minds. Our community of more than 50,000 students from 150 countries and over 16,000 staff pursues academic excellence, breaks boundaries and makes a positive impact on real world problems.
We are consistently ranked among the top 10 universities in the world and are one of only a handful of institutions rated as having the strongest academic reputation and the broadest research impact.
We have a progressive and integrated approach to our teaching and research – championing innovation, creativity and cross-disciplinary working. We teach our students how to think, not what to think, and see them as partners, collaborators and contributors.
For 200 years, we are proud to have opened higher education to students from a wide range of backgrounds and to change the way we create and share knowledge.
We were the first in England to welcome women to university education and that courageous attitude and disruptive spirit is still alive today. We are UCL.
www.ucl.ac.uk | Read news at www.ucl.ac.uk/news/ | Follow UCL News on Bluesky and LinkedIn
Journal
Brain Research
DOI
10.1016/j.brainres.2026.150253
Method of Research
Experimental study
Subject of Research
People
Article Title
BDNF relates to prefrontal cortex activity in the context of physical exercise
Article Publication Date
4-Mar-2026
Media Contact
Tom Cramp
University College London
[email protected]
Journal
Brain Research
DOI
10.1016/j.brainres.2026.150253
Journal
Brain Research
DOI
10.1016/j.brainres.2026.150253
Method of Research
Experimental study
Subject of Research
People
Article Title
BDNF relates to prefrontal cortex activity in the context of physical exercise
Article Publication Date
4-Mar-2026
Tags
/Health and medicine/Human health/Physical exercise
bu içeriği en az 2000 kelime olacak şekilde ve alt başlıklar ve madde içermiyecek şekilde ünlü bir science magazine için İngilizce olarak yeniden yaz. Teknik açıklamalar içersin ve viral olacak şekilde İngilizce yaz. Haber dışında başka bir şey içermesin. Haber içerisinde en az 12 paragraf ve her bir paragrafta da en az 50 kelime olsun. Cevapta sadece haber olsun. Ayrıca haberi yazdıktan sonra içerikten yararlanarak aşağıdaki başlıkların bilgisi var ise haberin altında doldur. Eğer yoksa bilgisi ilgili kısmı yazma.:
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Keywords
Tags: 12-week cycling training program benefitsbrain plasticity and physical fitnessbrain-derived neurotrophic factor after exerciseeffects of aerobic exercise on BDNFexercise and neuron healthexercise-induced neurogenesisfitness level impact on brain proteinsfitness training for cognitive improvementimproving brain function through fitnessmoderate to vigorous aerobic exercise effectsphysical fitness and brain healthVO2max and brain function correlation
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