We all know that too much sugar is bad for us. It can lead to weight gain, obesity, type 2 diabetes, and heart disease. But it’s hard to avoid. In the US, three-quarters of the packaged food sold in supermarkets has sugar added to it when it’s processed or prepared. …

The first person to receive a Neuralink brain implant has apparently recovered and can now control a computer mouse using their thoughts, according to Elon Musk, the company’s cofounder. “Progress is good and the patient seems to have made a full recovery, with no ill effects that we are aware …

For years, a type of bacteria called Enterococcus faecium lurked in Lynn Cole’s bloodstream. Often found in hospitals, E. faecium is usually a gut-dwelling bacteria but can creep into other areas of the body. Her doctors tried various antibiotics, but the bacteria was zombie-like: It kept coming back. Running out …

23andMe has been a lot of things throughout its history. Founded in 2006, it’s best known as a genetic testing company that provides insights into people’s ancestry and health risks from tubes of spit they send through the mail. It’s also a data company, having amassed a trove of DNA …

Scientific publisher Sage Journals has retracted three papers on abortion—including a controversial 2021 study on mifepristone, the medication at the center of a US legal battle. The 2021 study found that mifepristone, one of two pills used in a medication abortion, significantly increased the risk of women going to the …

Around 8 million people in the United States rely on insulin to manage their diabetes, but steady price increases have made the life-saving medicine increasingly more difficult to afford. As many as one in four insulin users have reported having to skip doses or use less of the drug than …

Elon Musk said on the social media platform X on Monday that the first human patient has received a brain implant developed by his company Neuralink. The product also now has a name: Telepathy. After years of delays, Neuralink started recruiting patients for a clinical trial in the fall after …

Born deaf, the 1-year-old boy had never responded to sound or speech before. But after receiving an experimental treatment injected into one of his ears, he started turning his head when his parents called his name. Five months later, he spoke his first words. The boy is one of six …

As the first vaccines for Covid-19 rolled out at the end of 2020, messenger RNA catapulted into public awareness. Now, a few years later, interest in mRNA has exploded. Clinical trials are underway for dozens of mRNA vaccines, including ones for flu and herpes. And scientists are hoping to use …

Surgeons at the University of Pennsylvania announced today that they successfully attached a genetically altered pig liver to a brain-dead person and found that the organ functioned normally for 72 hours. The experiment represents a step toward using pig organs to help extremely ill patients with failing livers. The researchers …