Study raises questions about popular genetic test for ‘abnormal’ embryos
The genetic test, called preimplantation genetic testing for aneuploidy, has become controversial as studies have cast doubt on whether it increases birthrates from IVF.
Texas clinic that treated transgender youth closed under political pressure
On a tense conference call last November with half a dozen doctors and executives at the University of Texas Southwestern Medical Center, Dr. John Warner...
Why are men more likely to die of COVID? It’s complicated
It’s one of the most well-known takeaways of the pandemic: Men die of COVID-19 more often than women do. a A new study analyzing sex...
In omicron hot spots, hospitals fill up, but ICUs may not
In omicron hot spots from New York to Florida to Texas, many patients — roughly 50% to 65% of admissions in some New York hospitals...
Studies suggest why omicron is less severe
A spate of new studies on lab animals and human tissues are providing a possible explanation of why the omicron variant causes milder disease than...
CDC shortens COVID-19 isolation period for health care workers
The agency also said that those workers who had received all recommended vaccine doses, including boosters, do not need to quarantine at home following high-risk...