University of California, San Francisco researchers are reporting direct evidence that sleep in early life may play a crucial role in brain development.

A new study led by a University of California, San Francisco researcher shows that although raloxifene does not affect the cognitive performance of most women, it may help prevent decline among women older than 70 and women whose cognitive performance is declining regardless of age.

In fighting the body's immune system, HIV owes part of its success to its ability to destroy those cells normally recruited to mount the body's counter-attack against the HIV-infected cells...

Anecdotes abound about the tumultuous state of physician affairs in California. However, there is no objective evidence that large numbers of doctors are leaving California, according to a report released by the UCSF Center for Health Professions.

Physicians are assuming a stronger stance in their negotiations with managed care organizations, and employers and federal and state governments are becoming more sophisticated about promoting and rewarding high quality care, according to UCSF researchers...

With only 32 of its 302 nerves dedicated to detecting the odors that drift through its world, the lowly roundworm seems hard pressed to smell food, let alone discriminate friend from foe...

Nearly a decade ago, researchers determined that the brain contains a molecule that mimics the active ingredient in marijuana, but its location and role in the brain were unclear...

Researchers led by investigators at the University of California, San Francisco have discovered that the protein alpha1-antichymotrypsin can double the accumulation of Alzheimer's disease-associated amyloid plaque in the brains of mice, suggesting a possible new target for therapy in humans.