The United States officially withdrew from the World Health Organization on Jan. 22, marking the end of its 78-year membership.
The United Nations agency – established in 1948 – encourages international collaboration to achieve the “highest attainable standard of health,” according to the WHO constitution.

When Dr. Deborah Lehman did her medical training about 40 years ago, cases of bacterial meningitis were common, often sending patients to the hospital, leaving them neurologically impaired and, in severe cases, killing them.

This post was updated Nov. 16 at 9:57 p.m.
Fred Ramsdell, one of the recipients of the 2025 Nobel Prize in physiology or medicine, sat down with science and health contributor Leilani Krantz to discuss his journey with scientific exploration and the importance of foundational research.

Social media provides widespread access to nutritional information from varying sources – not all of which is explicitly backed by data.
With social media platforms allowing content to reach broad audiences, nutrition advice of all kinds drifts through explore pages and algorithms.

This post was updated Oct. 12 at 9:22 p.m.
UCLA experts and medical professionals warned that unproven claims made by the White House linking the use of Tylenol during pregnancy to the development of autism promotes misinformation.

This post was updated Oct. 1 at 1:41 a.m.
Around 40 nurses and community members rallied in front of Ronald Reagan UCLA Medical Center on Tuesday morning to demand that the UC agree to a new contract with safer staffing and working conditions.

This post was updated Sept. 7 at 8:39 p.m.
The suspension of about 800 of UCLA’s research grants halted projects across campus – including some in its highly-ranked applied mathematics program.

This post was July 13 at 8:43 p.m.
UCLA clinicians and policy experts said Robert F. Kennedy Jr.’s overhaul of a vaccine advisory committee could create health care disparities and undermine public trust in vaccine recommendations.

Students and faculty discussed how technological developments impact human rights and democracy at the DataX Impact Forum in May.
The event – titled “Beyond Broligarchy: The Fight for a Better Future” – featured an hour-long conversation between Cory Doctorow, a journalist and science fiction author, and Ramesh Srinivasan, a professor at the UCLA School of Education and Information Studies.

UCLA researchers have developed a drug that counteracts the impaired cognition caused by Alzheimer’s disease and reestablishes brain connections following strokes in mice.
The team began searching around six years ago for a molecule that would induce gamma oscillations – natural brain waves that are involved in memory, said Varghese John, the director of the Drug Discovery Laboratory at UCLA.