An experimental gene therapy treatment for Parkinson's disease is being tested in a national study that includes Chicago's Rush University Medical Center.

In a bold new approach ultimately aimed at trying to cure AIDS, scientists used genetic engineering in six patients to develop blood cells that are resistant to HIV, the virus that causes the disease.

Hot flashes that bedevil many women in menopause might actually be a good thing, depending on when they strike, according to new data from a long-running government study.

Not at all. The importance of sleep has been known for eons. A lack of proper sleep over time can have deleterious effects on many body systems. Researchers have shown that people who are sleep deprived have a higher incidence of obesity, insulin resistance (early diabetes) and high blood pressure.

Mastering a second language can pump up your brain in ways that seem to delay getting Alzheimer's disease later on, scientists said Friday.

Eat more fiber and you just may live longer.

Cook County's plan to drastically shrink services at two public hospitals shifted into higher gear Monday with the announcement that 138 hospital nursing jobs will be eliminated.

Doctors may be missing "silent strokes" in a small but significant number of children with severe anemia, who may be unfairly labeled as slow learners when in fact they have a medical problem, troubling new research suggests.

Strokes are rising dramatically among young and middle-aged Americans while dropping in older people, a sign that the obesity epidemic may be starting to shift the age burden of the disease.

Six Chicago community groups and schools have received grants for programs fighting childhood obesity.