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Snakes have been around for some 150 million years, but their ancient physiology might hold some important clues to developing new drugs.
The majority of preventable deaths from non-communicable conditions like cancer and heart disease occur in developing countries.
Men with low vitamin D levels are more likely to suffer heart attacks than men with healthy levels of the vitamin, according to a study released this week.
Hormone therapy is safe for younger women to use in treating menopause symptoms, a new study in the Journal of the American Medical Association suggests. NewsHour health correspondent Susan Dentzer details the report's findings.
A new Alzheimer's Association report says the number of people with Alzheimer's is on the rise and, while elderly people still represent the vast majority of cases, as many as 500,000 people under age 65 are living with the disease.
A laboratory-produced version of "good" cholesterol given to participants in a small study reduced the plaque in their arteries, a finding published Wednesday that may one day lead to new ways of treating some forms of heart disease.
The vast majority of heart disease patients had one of four risk factors, according to two studies contradicting the often-cited figure that only 50 percent of such patients had smoked or suffered high blood pressure, high cholesterol, or diabetes.
Daily supplements of folic acid or foods fortified with the vitamin can help prevent heart disease, stroke and blood clots, according to a study published in the Nov. 23 issue of the British Medical Journal.
