Health care, or healthcare, is the improvement or maintenance of health via the prevention, diagnosis, treatment, amelioration or cure of disease, illness, injury, and other physical and mental impair
Graphic of hospital beds per 1,000 people globally in 2013, at top; NewYork-Presbyterian Hospital in New York City, a hub for health care and life sciences, is one of the world's busiest hospitals, below. Pictured is its Weill Cornell facility (white complex at the center).