Scientists find why ultra-processed diets make you gain fat even without extra calories: Study

Key Points

• An international study shows ultra-processed diets cause more fat gain than minimally processed diets with equal calories.
• Men on ultra-processed diets exhibited higher levels of pollutants affecting sperm quality and lower testosterone and follicle-stimulating hormone.
• The study involved 43 men aged 20-35 who spent three weeks on each diet with caloric intake controlled.
• Scientists urge revision of nutritional guidelines due to the harmful effects of ultra-processed foods on metabolic and reproductive health.