For years, scientists have recognized that a protein called apoE4 is a major risk factor for developing Alzheimer's disease.

The folate receptor, a protein expressed on the surface of many human cells, could be capable of transporting much more into the cell than just folic acid - the B vitamin involved in normal bodily functions and cell development.

California's tobacco control program is "stalled and adrift," and thousands of people will die needlessly as a result, according to a new report published by the Institute for Health Policy Studies in the School of Medicine at the University of California, San Francisco.

Highly active anti-retroviral therapy (HAART), also known as "AIDS cocktail" therapy, is saving lives and preventing infections even in the most advanced AIDS patients, according to a new study.

Researchers are showing for the first time that the absence of the gene for CCR2, a receptor on white blood cells known to be important for cell migration, can have fatal consequences.

Compared to insured health care consumers, uninsured people are much less effective at managing their illnesses.

UCSF researchers report that they were able to slow the growth of human cancer cells - or cause them to commit suicide altogether -- by creating just a miniscule mutation in the telomerase enzyme.

Controlling a tuberculosis infection requires an interplay of a distinct set of genes and immune system cells. Researchers at the Gladstone Institute of Cardiovascular Disease are showing for the first time that the absence of one of those genes, called CCR2, can have fatal consequences.

Our cells constantly flirt with disaster: Before each division, they duplicate hundreds -- often thousands -- of DNA snippets from each chromosome...

More than half of sexually active young women will be infected with human papilloma virus (HPV) if they remain sexually active over three years, a UCSF study shows. That risk is boosted 10-fold with each new partner.