When it comes to the health of an obese person, suddenly everyone becomes a doctor, a health coach and motivational speaker. Most people believe all the person has to do is exercise more and eat less, but that is not the case at all. While you may not believe them, certain details like what you ate before exercising and the time of day you exercise at can affect a person’s health, it certainly plays a role! Fitness is never a linear process for anyone. While some people see a big difference in the first few weeks, other may not see a difference even months later. While these things may be discouraging, you have to remember that your health does not stop getting better every day, even if it is not apparent to the naked eye.
A new research published in Diabetes Care suggests that people with obesity, especially those who also have type 2 diabetes, might get the most health benefits if they exercise between 6 p.m. and midnight. The study found that people who were most active at night had a lower risk of heart problems and dying early compared to those who exercised at other times. This is interesting, but we need more research to be sure about it.
Other studies have suggested that exercising at night is good for people with type 2 diabetes. This new research wanted to learn more about it and see how the time of your workout affects your health in the long run. Researchers looked at almost 30,000 people with obesity, some also had type 2 diabetes. People wore devices that tracked their activity for a week, so the researchers could see when they were most active. After watching these people for almost eight years, they found that the people who did most of their exercise at night had the lowest risk of health problems, like heart disease. While exercising at night seemed best, exercising at any time was better than not exercising at all.
The study suggests that nighttime workouts might be best for people with obesity and type 2 diabetes. But experts say the most important thing is to exercise whenever you can. Nighttime might be better, but it's not always possible for everyone. People are busy with work, family, and other things. So, the main message is: any exercise is good, no matter when you do it. Don't let worrying about the "perfect time" stop you from being active. Adults should try to get about 2 and a half hours of moderate exercise each week, plus some strength training. If someone with obesity or type 2 diabetes can exercise between 6 p.m. and midnight, they might want to try it. But everyone's different. Exercise should be something you can do regularly, not something that's a struggle. If nights don't work, that's okay! Even short bits of activity during the day, like walking at lunch, are helpful. The best workout is the one you'll actually do.
If you're new to exercise or haven't been active for a while, start slowly and gradually do more. It's a good idea to work with a trainer or a friend who can help you and make sure you're being safe. This is especially important for people who are overweight, have obesity, or type 2 diabetes, because they might have other health problems that exercise can affect. Pay attention to your body and stop if you feel dizzy, have chest pain, or just don't feel good. Always talk to your doctor before starting a new workout plan, especially if you have any health problems. They can give you advice that's right for you.
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Researchers at University College Cork, led by Professor Yvonne Nolan, have found key biological reasons why exercise can help protect your mental health, even if you eat a typical Western diet high in fat and sugar. Your diet plays a huge role in keeping your brain healthy. Studies have shown that eating processed foods can increase your chances of developing memory and thinking issues.
However, this one habit can help you keep these issues at bay, according to researchers. The study, published in the journal Brain Medicine, shows that regular running can reduce symptoms similar to depression that are often caused by unhealthy eating. These protective effects involve changes to your gut and hormones.
To figure out how diet and exercise influence the brain, the researchers studied adult male rats for seven and a half weeks. One group of rats ate a standard healthy diet, while the other group ate a rotating "cafeteria diet" of high-fat, high-sugar foods (like ultra-processed meals).
In both diet groups, half of the animals were given a running wheel to exercise freely. This setup allowed the team to clearly see the separate and combined effects of the poor diet and physical activity on the animals' mood and brain.
Voluntary running had an antidepressant-like effect on the rats, even those eating the unhealthy cafeteria diet. This suggests that getting regular physical activity can be helpful for a person's mood, even if they struggle to completely change their eating habits.
While the unhealthy diet didn't severely harm the rats' learning or memory skills, exercise slightly improved their ability to navigate. The researchers also noticed mild anti-anxiety effects from exercise that occurred regardless of what the animals were eating.
The high-fat, high-sugar diet severely messed up the chemicals produced in the gut (called metabolites). The researchers analyzed the contents of the caecum (a part of the large intestine) and found that the unhealthy diet affected 100 out of 175 chemical compounds they checked.
Exercise helped to restore the balance, particularly increasing three metabolites—anserine, indole-3-carboxylate, and deoxyinosine—that are known to be important for regulating mood.
The study did find one complex finding related to brain growth. In rats that ate the standard, healthy food, exercise strongly boosted adult hippocampal neurogenesis (the creation of new brain cells in the hippocampus, the area linked to memory and emotion).
However, the cafeteria diet prevented this usual exercise-induced increase in new brain cells. This suggests that while exercise helps mood regardless of diet, a poor diet might actually stop the brain from fully gaining some of the deepest, cellular-level benefits of physical activity.
This research has important real-world meaning. As an accompanying editorial noted, the fact that "exercise has an antidepressant-like effect in the wrong dietary context... is good news" for people who find it very hard to switch to a perfect diet.
The findings give biological proof that exercise can be an effective tool for improving mental well-being even when facing the challenges of modern, processed foods.
Future research will need to study women and explore longer periods of exercise, but this study provides a strong foundation for using lifestyle changes to support mood and brain function.
Credits: GEMINI
If you have made exercise a regular part of your life, you have probably wondered when the ideal time to work out really is. Should you lace up your shoes first thing in the morning, hit the gym after work, or mix it up depending on your schedule?
According to the American Heart Association, adults should aim for at least 150 minutes of moderate aerobic exercise or 75 minutes of vigorous activity each week, ideally split across several days. Adding resistance or strength training three times a week can provide even greater benefits. But what do fitness experts say about the best time to get moving?
Both morning and evening workouts come with their own advantages, but what matters most is consistency. The best workout time is simply the one that fits into your daily routine and keeps you moving regularly.
The Centers for Disease Control and Prevention (CDC) also recommends getting 150 minutes of aerobic exercise per week—activities like brisk walking, cycling, or jogging all count. It’s more effective to work out four evenings a week than to squeeze in only two early morning sessions.
Exercising early has a clear advantage, you can get it done before the rest of the day begins. Research also suggests that morning workouts can improve sleep patterns, regulate mood, and even support weight management.
Exercise releases endorphins, the body’s natural “feel-good” chemicals. Studies show that even short sessions of regular physical activity can lift your mood and lower cortisol, the stress hormone. Starting the day with lower stress levels can help you feel more focused and positive throughout the day.
Morning exercisers often enjoy deeper, more restful sleep. One study found that those who worked out early tended to fall asleep faster, spend more time in deep sleep, and wake up less during the night.
Morning workouts can help stabilize blood pressure, particularly in women. Research suggests that women who exercised early in the day experienced lower post-exercise blood pressure, while men saw similar results when exercising in the afternoon.
Timing might play a role in how your body responds to exercise. One study found that people who worked out before noon lost more weight than those who exercised later in the day. Early exercisers were also more active overall, taking more daily steps. However, more research is needed to confirm these findings.
Despite the perks, morning workouts aren’t without drawbacks:
While early workouts offer plenty of advantages, exercising later in the day has its own set of benefits that may suit your body and lifestyle better.
No matter the time of day, staying consistent is what truly makes the difference. Creating a set routine can help you build momentum and stick to your fitness goals long-term.
Morning and evening workouts both offer unique benefits and a few drawbacks. Some studies suggest morning exercise may deliver slightly better results overall, but the best time to work out is the time that fits your life. What counts is showing up for yourself and keeping the habit steady.
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Walking is said to be one of the best exercises. Not only is it an easy and accessible exercise, but it can be done anywhere and also does not need a lot of equipment. Many people aim for 10,000 steps a day as a sign of good health. But should you take one long walk, or multiple short ones? A new study has answered this question.
New research suggests that a single, longer walk each day is better for your heart than breaking up your steps into many short strolls, especially if you don't exercise regularly.
The study, published in Annals of Internal Medicine, found that walking for at least 15 minutes without stopping is ideal. This longer, steady pace, which is about 1,500 continuous steps gives your heart a much better workout.
Researchers tracked the walking habits of over 33,500 adults in the UK who walked less than 8,000 steps a day. After tracking their health for eight years, the findings were clear:
People who consistently walked in longer, uninterrupted stretches had a lower risk of heart problems compared to those who only took short, quick bursts of steps.
Even among the least active group (those walking under 5,000 steps daily), taking longer walks made a major difference. Their risk of heart disease and early death dropped significantly.
The researchers explain that most people focus only on the number of steps they take, but not the patterns. They suggests that even inactive people can boost heart health by changing their habits to walk for at least 10–15 minutes at a time.
Many people aim for 10,000 steps a day, but that number actually came from an old pedometer advertisement, not science. While experts agree more steps are generally good, this study emphasizes that how you walk matters more than just the total step count.
The researchers suggest that simple changes, like setting aside time specifically for a long walk, could make a big impact on heart health.
The NHS still recommends getting 150 minutes of moderate activity like brisk walking, each week, and ideally it should be spread out. For older adults, moving every day, even with light activity around the house, is key.
It's important to know that while the study shows a strong link between longer walks and better health, it doesn't definitively prove that walking directly causes the improvement.
However, health experts agree exercise is vital. They explain that you might find it hard at first, but it will get easier as your body adjusts. Even small improvements contribute to a healthy heart.
While walking is generally a safe activity, accidents can happen, especially if you like to walk alone. To stay safe while walking,
Wear bright, reflective clothing or carry a flashlight after dark or in dim light so drivers and others can easily spot you.
Focus on your immediate surroundings; avoid distractions like your phone or headphones to always know what's happening around you, especially traffic.
Walk or bike only on marked paths, lanes, or sidewalks, and cross streets at designated crosswalks where vehicles are expecting pedestrians.
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