Chimps use sticks to poke into a mock termite mound to taste a sweet substance placed in the mound by keepers at Chimp Haven in Keithville, La. Today, caretakers say, more chimps in the U.S. live in accredited animal sanctuaries than in research facilities.
Screening for lung cancer can catch tumors but it can also produce false positives. Patients need to decide whether it's right for them, but doctors often don't know how to advise them.
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Brittany Williams, a doctoral candidate at the University of Georgia, started taking Truvada when she began dating a man living with HIV. Even though the relationship ended, she continues to take it.
Lynsey Weatherspoon for NPR
Person undergoing a CAT scan in hospital with PET scan equipment. Emerging studies report findings of brain deterioration in females to be slower than that of males'.
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Robert and Tiffany Cano of San Tan Valley, Ariz., have a new marriage, a new house and a 10-month-old son, Brody. Since Brody was born, the Canos have racked up nearly $12,000 in medical debt.
Heidi de Marco/Kaiser Health News
Sarah Witter had two operations to repair bones in her lower left leg after a skiing accident last February. The second surgery was needed to replace a stabilizing plate that broke.
Matt Baldelli for KHN