Health

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

Volunteering in community programs can reduce youth depression and anxiety, researchers are beginning to learn

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

Humans need around 30 vitamins and minerals to keep our bodies functioning

Quantum observers, migrating mangroves, the deep history of an asteroid and understanding appetite in this issue of Scientific American

A recent study found that eating ultraprocessed plant-based foods was linked to heart attack and stroke risk. But the devil is in the details

Tai Chi, yoga, water exercises and other low-impact workouts may help prevent severe falls among older adults

Mosquito experts break down how to choose and use the best mosquito repellents

Microplastics are everywhere, Olympic ambitions for the Seine River are complicated by poop, and the Starliner spacecraft delays its return to Earth.

Companies attract venture funding for redesigned psychedelic drugs

With a heat dome baking the eastern U.S., emergency departments in New England and the Midwest have seen a spike in heat-related cases

Sizzling summer days can be a dangerous time to be outside. Here’s what to think about before heading into the heat and how to stay safe