Advisers to the agency overwhelmingly agreed that a new treatment would help to prevent a potentially lethal respiratory illness in very young children.

Strict pandemic lockdowns may have allowed animals to range more widely and spend time closer to roads, a new study suggests.

Taurine helped stave off death in laboratory animals, but researchers cautioned that the supplement is not a magic elixir.

The decision to fund medications to treat H.I.V.-AIDS patients in sub-Saharan Africa and the Caribbean flew in the face of expert advice. But the U.S. did it anyway.

When the Air Quality Index rises above 100, extra precautions can help keep you safe.

Wednesday is Global Running Day, but experts advise against outdoor exercise in areas affected by smoke from the wildfires in Canada.