Recent research and anecdotes suggest people are testing negative on rapid tests even after they have symptoms, then later testing positive. Here's what researchers think is going on.
Three doctors present their proposal to get vaccines to everyone in the world. "We already have the resources, knowledge and systems," they write. Global leaders just have to make it happen.
A beloved pizzeria owner in Brimfield, Mass., had COVID-19 and needed dialysis, but it wasn't available at the hospital where he died. The health system is "breaking down," a hospital CEO says.
Facing lost wages if they can't work, essential workers struggle to get timely COVID tests amid a nationwide testing crunch. Community clinics are struggling to meet the need.
Omicron may cause milder disease, but the sheer number of patients makes this wave far worse for the health care system. With packed emergency rooms, patients can wait days to get moved to a bed.
Aduhelm is the first treatment approved in the country to slow cognitive decline in those living with Alzheimer's. Doctors have refused to prescribe it, given the lack of data and evidence behind it.
In 2011, biochemist Jennifer Doudna helped discover the genetic editing tool CRISPR. Today CRISPR is actively deployed in clinical trials with the potential to cure disease—and alter human evolution.
Stem cells have long been heralded as a potential tool to treat illnesses. Nabiha Saklayen explains how it's still early, but scientists are getting closer to turning this vision into a reality.
The new research affirms what many individuals had reported. But it also shows the changes to the menstrual cycle are mostly minor and brief, more akin to a sore arm than a dangerous reaction.
Paxlovid and molnupiravir have been authorized for emergency use to keep COVID-19 patients out of the hospital, but don't expect to be able to go to your usual pharmacy and get them.
A ban on using telemedicine to prescribe controlled medications was suspended in the pandemic. That's allowed many to seek opioid addiction treatment, but some worry about potential for abuse.
Cutting the isolation for positive cases to five days could lead to more infections if people don't take masking seriously. A testing requirement would have made the policy safer, experts say.
Black patients and their families are less likely to sign up for end-of-life comfort care. To reach them, investors are starting hospice agencies run by people who look like the patients they serve.