FDA Approves Biogen’s Drug for Rare Form of ALS

The drug, which will be sold as Qalsody by the pharmaceutical company Biogen, targets a genetic cause of a devastating neurological illness.

Is There a Cure for IBS? What to Know About Treatment

Here’s what experts do (and don’t) know about this perplexing condition.

Can Africa Get Close to Vaccine Independence? Here’s What It Will Take.

Leaders on the continent have vowed that if there is another pandemic, they won’t be shut out of the vaccine market.

Supreme Court Ensures, for Now, Broad Access to Abortion Pill

The order halts lower court rulings that would have restricted the drug as an appeal moves forward in a case with profound implications for abortion access and the F.D.A.’s regulatory authority.

The Fight Over a Drug That Is Great for Horses but Horrific for Humans

Drug dealers are mixing xylazine, an animal tranquilizer relied on by veterinarians, into fentanyl, with deadly results. But controlling it is tricky.

British Man Died of Rare Blood Syndrome Linked to AstraZeneca’s Vaccine

One expert said the blood-clotting syndrome was estimated to occur in one in 50,000 people under 40 and one in 100,000 over 40 who received AstraZeneca’s vaccine.

The Abortion Pill Case Could Throw Our Health Care System Into Chaos

The mifepristone ruling may lead to all sorts of drugs and treatments disappearing.

Abortion Pill Maker Sues F.D.A. to Protect Drug if a Court Orders It Off the Market

The suit by GenBioPro, the generic maker of mifepristone, is the latest strand in the intense legal battle over abortion pills.

Supreme Court to Decide Availability of Abortion Pill as Appeal Moves Forward

Justice Samuel A. Alito Jr. had issued a stay that was set to expire at midnight, meaning the justices are likely to act before then, although they could extend the deadline or fail to act.

Insurers Are Starting to Cover Telehealth Abortion

Several insurers will cover abortions through Hey Jane, a start-up online provider, just as courts threaten to hobble the industry.