FDA Moves Forward With Last-Minute Push to Cut Nicotine Levels in Cigarettes

In the final days of the Biden administration, the F.D.A. is moving ahead with a proposal to require companies to produce a less addictive product for traditional smokers.

How Lagging Vaccination Could Lead to a Polio Resurgence

In its original form, the virus survives in just two countries. But a type linked to an oral vaccine used in other nations has already turned up in the West.