Health

Coffee has been associated with several possible health benefits, but much of the evidence cannot prove cause and effect. Here is what the research and federal guidance say.

University of Pennsylvania researchers engineered fungal compounds that killed leukemia cells in laboratory tests, but animal and human studies remain ahead.

Prediabetes is common, often has no symptoms and can progress to type 2 diabetes, but federal health officials say modest weight loss and regular physical activity can sharply reduce that risk. More than two in five U.S. adults have...

Many people rinse with water immediately after brushing, but dental guidance says that habit can wash away fluoride before it has time to protect tooth enamel. CNET reports that dentists generally recommend spitting out

Claims that a single habit can keep people from getting sick often travel farther than the evidence behind them, but doctors say a combination of vaccination, adequate sleep, movement, nutrition and stress management offers the most...