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Time of India
3 days ago
- Health
- Time of India
What really causes obesity? Study says diet matters more than exercise
Obesity is a complex medical condition marked by excessive body fat that increases the risk of serious health problems such as heart disease, diabetes, high blood pressure, and certain cancers. While it's often believed that lack of exercise is the primary cause of obesity, a groundbreaking study published in PNAS challenges this assumption. Researchers found that people in both industrialised and developing societies burn a similar number of calories daily, regardless of how active they are. This suggests that physical inactivity may not be the main driver of the obesity epidemic. Instead, the study points to diet, particularly the overconsumption of ultra-processed foods as the leading cause. What is obesity, and its causes Obesity is a complex health condition characterized by excessive body fat. It's not merely a cosmetic issue, it's a serious medical concern that significantly raises the risk of various diseases. Obesity doesn't have a single cause. It usually results from a combination of factors, including: Genetics: Family history can predispose individuals to obesity. Hormonal and metabolic factors: Hormonal imbalances and slowed metabolism play a role. Lifestyle habits: High-calorie diets, especially rich in ultra-processed foods, are a major contributor. Physical inactivity: Although not the sole cause, sedentary lifestyles can worsen weight gain. Environmental factors: Limited access to healthy foods, poor sleep, and stress can also contribute. Medications: Certain drugs (e.g., antidepressants, corticosteroids) can lead to weight gain. 'Constrained Total Energy Expenditure' model of the study Researchers measured total energy expenditure among over 4,200 individuals across 34 countries with lifestyles ranging from hunter-gatherers to city dwellers using the gold standard 'doubly labeled water' method. Surprisingly, when adjusted for body size, daily calorie burn was almost identical regardless of lifestyle, debunking the idea that less activity equals fewer calories burned This finding supports the constrained total energy expenditure model, which suggests our bodies regulate energy use within a fixed range, even with increased activity. by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like Many Irish Citizens Don't Know About This Read More Undo According to lead author Herman Pontzer, overeating, especially ultra-processed foods, is nearly ten times more responsible for obesity than decreased calorie burn. Is exercising still important to manage obesity? The study does not suggest abandoning exercise. While exercise may not significantly influence weight loss on its own, it plays a crucial role in: Maintaining weight after loss Improving cardiovascular and metabolic health Enhancing mood and mental clarity Building muscle and bone strength Increasing lifespan Exercise is essential for overall well-being, but controlling calorie intake is more effective for managing obesity. Health complications of obesity Unchecked obesity can lead to life-threatening complications, including: Insulin resistance and type 2 diabetes Heart attacks and strokes Liver damage and gallbladder disease Reproductive issues and infertility Increased risk of surgical and anesthetic complications Poor mental health: depression, anxiety, low self-esteem Certain types of cancer (Breast, Colon) Also read | What causes bloating: Discover the foods and tips that help reduce bloating
Time of India
17-07-2025
- Health
- Time of India
Adding these foods that can naturally reverse high blood sugar at home
1 2 For someone struggling to manage high blood sugar 'what to eat' can be the most daunting question, this is because most foods can silently spike sugar levels, and need medications for better management. But do you know adding the right foods to your diet can also help in effectively managing insulin levels and may help reverse high blood sugar eventually. Fenugreek Seeds (Methi) Fenugreek seeds are rich in soluble fiber, which slows down carbohydrate digestion and sugar absorption in the body. They contain an amino acid called 4-hydroxyisoleucine that enhances insulin secretion. Soaking 1–2 teaspoons of fenugreek seeds in water overnight and consuming them on an empty stomach in the morning is a common Ayurvedic remedy for blood sugar control. Bitter Gourd (Karela) Bitter gourd is a natural hypoglycemic food that contains polypeptide-p, a plant insulin that helps reduce blood sugar. It also has compounds like charantin and vicine that increase glucose uptake and improve insulin sensitivity. Drinking karela juice on an empty stomach 2–3 times a week or including it in your curries can significantly benefit glucose management. Cinnamon (Dalchini) Cinnamon is known to improve insulin sensitivity and slow the breakdown of carbohydrates in the digestive tract. by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like Many Irish Citizens Don't Know About This Read More Undo Studies show that just ½ teaspoon of cinnamon powder daily can lower fasting blood sugar levels. You can add it to your tea, sprinkle it over fruit, or mix it into smoothies or oatmeal for daily use. Indian Gooseberry (Amla) Amla is a potent antioxidant and rich source of Vitamin C. It helps stimulate the pancreas to produce insulin and reduce blood sugar levels. Drinking fresh amla juice or consuming raw amla with a pinch of turmeric can be beneficial. Some people also mix amla powder with warm water or aloe vera juice for added effect. Is diabetes reversible with food? Type 2 diabetes may not be permanently "cured," but growing research suggests that it can be reversed or put into long-term remission through significant lifestyle changes, especially dietary interventions. A 2019 study published in The Lancet Diabetes & Endocrinology from the DiRECT (Diabetes Remission Clinical Trial) in the UK found that nearly 46% of participants who followed a low-calorie, nutrient-rich diet experienced diabetes remission after one year, with some maintaining it for up to two years without medication. The study emphasizes that sustained weight loss, reduced carbohydrate intake, and eating whole, fiber-rich foods like legumes, vegetables, and healthy fats can restore insulin sensitivity and normalize blood sugar levels in many individuals.
