Autism signs can appear in infancy, but many people aren't identified until childhood or adulthood. Learn when and why autism is recognized at different ages.
Kissing bugs can transmit Chagas disease, which may cause serious heart and digestive problems if left untreated. Here's what to know about risks and prevention.
Enriched grains contain five key added nutrients: iron, thiamin, riboflavin, niacin, and folic acid. Here's why they're added and what they can't replace.
MRSA spreads mainly through touch, not air. Learn how contact precautions, hand hygiene, and decolonization help prevent its spread in and out of hospitals.