The small Pacific nation of Fiji has declared a national HIV emergency as it grapples with surging case numbers, partly driven by a growing methamphetamine problem.

A state investigation identified a water feature at El Futuro in Durham as the most likely source of a rare “brain-eating” amoeba infection that killed a teen.

Florida reports fourth Vibrio vulnificus death in 2026 as health officials warn about raw oysters, contaminated water and severe infections.

The sticky proteins amyloid-beta and tau are hallmark features of Alzheimer's disease, but they're not the only contributors to the condition.

A study of 110 clinical trials links the antibiotic cefepime to a 94.4% higher probability of all-cause mortality compared to other beta-lactam drugs.

The U.S. is experiencing its worst measles year since 1991, with seven deaths in two years.

Eating four to six servings of whole grains a day reduces your risk of cardiovascular diseases, a new study suggests. But one dietary swap can’t do it all.

The warning signs may be hiding in plain sight.

Fatigue is "generally defined as physical or mental tiredness or exhaustion that does not improve with additional sleep or rest."