New research explores whether diet or exercise plays a bigger role in obesity—and the findings might surprise you.

While diet and exercise have long been known as the two main pillars of health, it turns out diet may be doing more of the ...

A new study examined the relative importance of energy expenditure and calorie intake in relation to obesity. Despite very ...

Rising obesity in more developed countries tracks closely with higher caloric intake — not a drop in physical activity. A study of over 4,200 adult ...

Scientists find that diet, especially ultraprocessed foods, has a greater impact on obesity than physical activity levels, ...

One explanation for the rise in obesity in industrialized countries is that people burn fewer calories than people in countries where obesity is rare. A major study finds that's not the case.

While emphasizing the health benefits of regular exercise, the research suggests that cutting calories, particularly from ultra-processed foods, could be more effective in promoting weight loss.

While no food can fully replicate the comprehensive benefits of breaking a sweat, incorporating these exercise-mimicking foods into a healthy diet may help maintain metabolic health, support ...

A different study presented at the 2025 ASCO Annual Meeting showed that one specific diet may benefit people with colon ...

A Mediterranean diet consists mostly of plant-based foods, fish and healthy fats like olive oil. Each participant had their own daily calorie intake based on their weight, height and sex, Gavilan ...