Many medical experts — including members of his own staff — worry about whether Dr. Hahn has the fortitude and political savvy to protect the scientific integrity of the F.D.A. from Mr. Trump.
Operation Warp Speed has moved along at a rapid clip. But some people involved in the process fear pressure to deliver an October surprise for President Trump.
For the second time in less than a year, a study of common sunscreen ingredients has established that the chemicals are absorbed into the bloodstream at concentrations far greater than the Food and Drug Administration’s safety threshold.
The Food and Drug Administration has issued warning letters to 10 companies it says are illegally selling flavored e-cigarette products that have come under attack as targeting teens.
Recent studies indicate that the human body does not retain the antibodies that build up when people are infected with the coronavirus, meaning there may be no lasting immunity to the virus, even with a vaccine.
The warning applies to nine lines of hand sanitizer manufactured in Mexico that contain methanol, or wood alcohol, which can be dangerous, the agency said.
The technology was old, the data poor, the bureaucracy slow, the guidance confusing, the administration not in agreement. The coronavirus shook the world's premier health agency, hampering the U.S. response to the crisis.
While Dr. Anthony Fauci has urged caution in using hydroxychloroquine, some doctors are prescribing it to patients who have the virus despite the fact it has never been tested for it.
A new study found levels of the widespread herbicide and its breakdown products reduced, on average, more than 70 percent in both adults and children after just six days of eating organic.
"Many of the chemical profiles that we see in cetaceans are similar to the types of chemical profiles that we see in humans who live in those coastal areas."
