Smoking may actually have a positive affect on brain function in people with schizophrenia, prompting scientists to study the brain receptors influenced by nicotine.

High school seniors who are excessively sleepy during the day may be at an increased risk of depression, according to a new study.

Researchers have found an increase over the past 10 years in hypertension among older Mexican-Americans living in the Southwest region of the United States.

The genetic mechanism that destroys brain cells responsible for Alzheimer's disease is also the cause of early development of Alzheimer's disease in people with Down Syndrome.

Pycnogenol (pic-noj-en-all), an antioxidant plant extract found in pine-tree bark, significantly improves symptoms of hay fever, according to a new study.

Researchers in Texas have achieved a major feat in the field of regenerative medicine, successfully creating lab-grown blood vessels that function in mice.

Scientists at the University of North Carolina at Chapel Hill have gotten closer to the creation of synthetic blood by creating tiny, flexible particles that can circulate in the body and closely mimic red blood cells.

A new study suggests fish oil (omega-3 fatty acid) supplements may help heart failure patients.

According to a new study, an artery in the arm is no more efficient or related to better outcomes than a leg vein for coronary artery bypass graft (CABG) patients.

Researchers at Duke Cancer Institute believe they have pinpointed why PSA (prostate-specific antigen) levels reflect cancer progression.