Convergent evolutionary mechanisms shared by COVID-19 variants allow them to overcome both adaptive and innate immune system barriers.

Researchers have found that people who developed breast, ovary, skin and uterine cancers have significantly higher levels of endocrine-disrupting chemicals in their bodies.

Babies who experience malnutrition may also experience worse cognitive development and have higher chances of death.

A UCSF telecare program improves outcomes for patients with dementia and lightens the load for unpaid caregivers while cutting Medicare costs.

A clinical trial showed that MDMA, the so-called psychedelic drug also known as "ecstasy" or "molly," can be a powerful new tool in treating people with moderate-to-severe PTSD.