The prohibition halts support for projects both inside and outside the N.I.H. President Biden had restored funding after an earlier ban by President Trump during his first term.
Dr. Jay Bhattacharya, the N.I.H. director, said that the agency will look to make additional investments in “validated emerging technologies” that could “reduce or potentially replace reliance on human embryonic stem cells.”
Federal officials working on the new dietary guidelines had considered limiting men to one drink daily. The final advice was only that everyone should drink less.
“There are a lot of reasons people drink alcohol,” said one epidemiologist who led an advisory panel on alcohol. “What we’re saying is health shouldn’t be one of them.”
Now the government’s recommendation is to “limit” drinking, without specifying safe amounts for men and women. The guidelines no longer warn of risks like cancer.
New guidelines issued on Wednesday say that people should consume less alcohol “for better overall health” and “limit alcohol beverages,” but they don’t recommend clear limits.