Medicine

The odd DNA may play a role in cancer progression.

On average, less than six genetic mutations set the twins apart.

The model can help identify which counties are at high-risk for invasion.

These asymptomatic infections can undermine efforts to eliminate malaria.

Scientists don't yet know why death rates were higher among women in the study.

The drug has been tested in mice and a small group of human patients.

The experiments highlight the role of the virus's cone-shaped shell in infection.

Now, there are diagnostic blood tests and antiviral treatments for the virus.

He was cured of HIV while receiving cancer treatment over a decade ago.

Scientists grew and sequenced mold that first led to the discovery of penicillin.

Small outbreaks of the very rare, vaccine-derived poliovirus remain.

Some oppose the plan, citing environmental concerns.

White surgeons racing to perform a pioneering transplant in 1968 took a Black patient's heart — but didn't tell his family.

A new cell study hints at how the Epstein-Barr virus drives cancer.

The enormous growth began as a lesion that steadily expanded over several years.

A rare syndrome leaves a teenage girl bedridden from excessive sleepiness.

A man was kept in a vegetative state to save a hospital's reputation.

Simon Forman, who lived between 1552 and 1611 in England, was a shady astrologist and healer.

How long a drug remains effective after its expiration date is often a matter of debate.