But are concerned about physical, mental challenges, survey finds

California-based study finds drugs for the blood disorder take up large share of budget

Researchers test slow-release nanoparticles on frustrating skin condition

Study finds transport time to specialized center was sometimes longer than two hours

He traveled 20 miles to hospital with object in place, doctors say injury missed major blood vessels and airway

Biologists say the animals may be boosting minerals in diet or 'detoxing'

But those who upped daily intake actually had higher odds for a precursor to dementia, researchers say

Device compares favorably to surgically implanted option, researchers say

Expert offers tips on avoiding heat-related illness

Investigators found unhealthy ozone levels, haze plague many natural sanctuaries