Additional strains of the parasite — and the disease it transmits — prove a greater risk even to those with healthy immune systems.

Cells are like night club bouncers, says UC San Diego's Amro Hamdoun: With every substance that a cell encounters, it has to decide which to eliminate and which to let in.

Feeling blue? Anxious? Fatigued? Roger Walsh offers ‘Eight Ways to Wellbeing.’

Children exposed to tobacco smoke from their parents while in the womb are up to two to three times more likely to develop the disease.

Protein may be to blame; study suggests combination therapies could overcome drug resistance.

Incoming students will be screened for TB and vaccinated for measles, mumps, rubella, chicken pox, meningococcus, tetanus and whooping cough, under a plan set to take effect in 2017.

UC Berkeley and UCSF scientists joined colleagues from the biopharmaceutical industry to celebrate the launch of the Innovative Genomics Initiative.

A new study by UCLA researchers found that meditation appeared to help preserve the brain’s gray matter, the tissue that contains neurons.

Researchers analyzed DNA from hundreds of melanoma tumors to figure out specifically what drives the disease. They say it could ultimately help treat this deadly form of cancer and others.

Taking in such spine-tingling wonders as the Grand Canyon, Sistine Chapel ceiling or Schubert’s “Ave Maria” may give a boost to the body’s defense system.

UCLA research played key role in development of Ibrance, targeting estrogen-receptor–positive breast cancer.

UC, like many California colleges, does not require students to receive measles and many other immunizations before enrolling. But that policy may soon change.