SA Special Editions

Nutrition influencers claim we should eat meat-heavy diets like our ancestors did. But our ancestors didn’t actually eat that way

Metabolism studies reveal surprising insights into how we burn calories—and how cooperative food production helped Homo sapiens flourish

The evolutionary history of humans explains why physical activity is important for brain health

“Heavy and healthy” can be a rare or common condition. But either way it may signal that some excess weight is just fine

Most people naturally have good vitamin D levels. Overhyped claims that the compound helps to fight diseases from cancer to depression aren’t borne out by recent research

New drugs called antibody-drug conjugates help patients with cancers that used to be beyond treatment

Blockbuster weight-loss drugs are revealing how appetite, pleasure and addiction work in the brain

Preventing initial episodes might stop depression from becoming a disabling chronic condition

The medication initially known as VX-548 blocks sodium channels in nerves, blocking pain signals before they reach the brain

Experts describe ways to turn down the volume, from earbuds to smartphone apps that detect harmful noise levels

An emerging science of advanced meditation could transform mental health and our understanding of consciousness

Waking yourself from the twilight state just before sleep may help you to solve a challenging problem, a study shows