The groups, including the American Academy of Pediatrics, say the C.D.C.’s revised vaccine schedule is not based on scientific evidence and will harm the public.

As part of Mattel’s efforts to promote inclusivity, the famed toy company has released the first-ever autistic Barbie doll.

Psilocybin-assisted therapy is legal in three states, but access has so far been limited and expensive.

He Jiankui spent three years in prison after creating gene-edited babies. Now back at work, he sees a greater opening for researchers who push boundaries.

After receiving a diagnosis of terminal cancer, he used his experience in public relations to draw attention to the skyrocketing cost of medication.

In a reversal, the agency plans to calculate only the cost to industry when setting pollution limits, and not the monetary value of saving human lives, documents show.

A study of more than 5,000 pages of agency documents on mifepristone over 12 years found that agency leaders almost always followed the evidence-based recommendations of scientists.

New year, fit me? From Virgin Active to Planet Fitness, here’s a look at what a gym contract will cost you in 2026.

An outbreak of diphtheria inspired a celebrated sled dog relay of nearly 700 miles to deliver lifesaving serum to the remote town of Nome.