The study found that a combination of exercise, healthy diet and other behaviors led to cognitive benefits. How much intense guidance is required was unclear, experts said.
The restaurant mistakenly used oil infused with THC, a psychoactive ingredient found in many cannabis products, in food preparation last year, the C.D.C. said.
On Thursday, the giant health care conglomerate announced that it had “proactively reached out” to the Justice Department, after reports of a government investigation had surfaced.
Federal guidelines no longer recommend flu vaccines containing a preservative, used in a small percentage of vaccines, that has been falsely linked to autism.
PEPFAR, the campaign to end H.I.V. globally, would morph into an effort to detect disease outbreaks and sell American products, according to documents obtained by The Times.