Waverly Hills Sanatorium started as a tuberculosis hospital in Louisville, Kentucky, later became a geriatric center, and now welcomes visitors as a historic site.
Heart transplants are needed when the heart can no longer function despite treatment. Learn about the conditions that lead to this point and what the process involves.
Colds typically clear up in 10 days, while the flu hits harder but often fades faster. Learn what's normal, when you're contagious, and when to seek help.