Patti NeighmondAward-winning journalist Patti Neighmond is NPR's health policy correspondent. Her reports air regularly on NPR newsmagazines All Things Considered, Morning Edition, and Weekend Edition.
Artificial hips have been a big advancement in treating debilitating arthritis. But there have been reports of medical issues — some serious — in patients with all-metal implants.
Paul Rider runs on Mulholland Drive in Los Angeles, March 25, 2011. Researchers say a moderate running regimen is actually beneficial for the joints of people with healthy knees.
Dennis J. Provost for NPR
An airline passenger wears a mask to protect against viruses. Passengers are at risk of becoming infected in the airplane's cabin, just as they would be in any crowded, confined space.
Eitan Abramovich/AFP via Getty Images