THE GOOD NEWS
Israeli scientists have found that giving elderly insomniacs melatonin -- a hormone produced in the human pineal gland, which regulates sleep cycles -- dramatically improves their chances of getting to sleep. It also seems to work for people whose insomnia is caused by Alzheimer's disease and other brain disorders.
Digitalis has been used for more than 200 years to treat chronic heart failure. But more powerful new medications made doctors wonder if the old standby had outlived its usefulness. A 12-week study of 178 patients with mild to moderate heart failure has laid those fears to rest. According...