Susan F. Wood, a women’s health expert who resigned in protest from the Food and…

Two weeks into President Trump’s sweeping freeze on foreign aid, H.I.V. groups abroad have not…

Ernest Drucker, a pioneering public-health researcher who approached drug addiction with compassion, invigorated needle-exchange programs…

Dairy cows in Nevada have been infected with a new form of bird flu that…

The coronavirus pandemic has shifted grieving for many Americans, as more than a million people…

As the five-year anniversary approaches of the World Health Organization’s declaration of the coronavirus pandemic,…