Health

Twins are a bonanza for research psychologists. In a field perpetually seeking to tease out the effects of genetics, environment and life experience, they provide a natural controlled experiment as…

Determining whether someone has Alzheimer’s disease usually requires an extended diagnostic process. A doctor takes a patient’s medical history, discusses symptoms, administers verbal and visual cognitive tests.The patient may undergo…

As I.V.F. grew in popularity, so did the concerns of its opponents. Standard practice involves creating multiple embryos, which are screened for genetic abnormalities, and the ones that appear healthiest…

Six years ago, Dr. Elizabeth Comen, a breast cancer specialist at Memorial Sloan Kettering Hospital in Manhattan, held the hand of a patient who was hours from death.As Dr. Comen…

Long Covid may lead to measurable cognitive decline, especially in the ability to remember, reason and plan, a large new study suggests.Cognitive testing of nearly 113,000 people in England found…

The 93-year-old widow of a Wall Street financier has donated $1 billion to a Bronx medical school, the Albert Einstein College of Medicine, with instructions that the gift be used…

The Food and Drug Administration approved a drug this month that cuts the risk of severe reactions in children and adults exposed to trace amounts of peanuts, tree nuts, milk,…

The magazine’s Ethicist columnist on whether it’s appropriate to offer an unsolicited medical diagnosis. More information

Jennifer Caldwell was active and energetic, working two jobs and taking care of her daughter and her parents, when she developed a bacterial infection that was followed by intense lightheadedness,…