The Food and Drug Administration said Friday it will add a new warning and other limitations to a gene therapy for Duchenne’s muscular dystrophy that's been linked to two patient deaths. The infused therapy from Sarepta Therapeutics will carry a boxed warning — the most serious type — alerting doctors and patients to the risk of potentially fatal liver failure with the treatment, the FDA said in a release. The one-time therapy, Elevidys, has been under FDA scrutiny since the company reported t

In a rare move, NASA is cutting a mission aboard the International Space Station short after an astronaut had a medical issue. NASA canceled its first spacewalk of the year because of the health issue. The space agency did not identify the astronaut or the medical issue, citing patient privacy.

Russia's telecommunications watchdog Roskomnadzor has threatened to completely block WhatsApp in the country following previous restrictions on the messaging service. If WhatsApp does not meet the requirements of Russian legislation, it will be blocked, the state news agency TASS quoted Roskomnadzor as saying in a statement on Friday.