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Frostnip, Frostbite Can Take the Fun Out of Winter

SUNDAY, Feb. 20 (HealthDay News) -- Having "Jack Frost nipping at your nose" sounds swell when Nat King Cole sings it, but frostnip and frostbite can be serious cold weather hazards, experts say.

Weight Loss Surgery May Cut Knee Osteoarthritis Pain

SATURDAY, Feb. 19 (HealthDay News) -- Losing weight can help reduce the amount of pain experienced by obese people with knee osteoarthritis, researchers say.

Can Prescription Amphetamine Use Raise Parkinson's Risk?

SUNDAY, Feb. 20 (HealthDay News) -- Taking prescription amphetamines may raise your risk of developing Parkinson's disease later, new research suggests.

Study Finds Too Many Surgical Breast Biopsies Performed

SUNDAY, Feb. 20 (HealthDay News) -- Too often surgical breast biopsies, and not less invasive and safer needle biopsies, are being performed on women who have abnormal mammograms, a new study says.