Health & Medicine
- Health & Medicine
The first case of coronavirus being spread by a person with no symptoms has been found
Coronavirus cases among coworkers in Germany suggest that the virus can spread from person to person before symptoms appear, similar to the flu.
- Health & Medicine
50 years ago, scientists debated the necessity of a smallpox vaccine
In 1970, scientists debated the necessity of routine smallpox vaccinations as the disease declined. Fifty years later, the debate continues.
- Health & Medicine
WHO declares coronavirus outbreak a global public health emergency
The World Health Organization says the coronavirus outbreak that began in China has been reported in 18 other countries.
- Health & Medicine
Stem cell clinics’ much-hyped treatments lack scientific support
Stem cell treatments for knee pain are strong on marketing, weak on science.
- Health & Medicine
Your most pressing questions about the new coronavirus, answered
As the new coronavirus outbreak unfolds, we are updating this FAQ with the latest on the race to understand the virus and stop the growing global health crisis. Our most recent update was posted February 18.
- Health & Medicine
Can the coronavirus outbreak be contained?
More than 50 million people are quarantined in China, but whether the strategy will stem the epidemic’s spread is unclear.
- Health & Medicine
How one woman became the exception to her family’s Alzheimer’s history
A single mutation in a woman who evaded Alzheimer’s may point to new ways to treat the disease.
- Health & Medicine
How the new coronavirus stacks up against SARS and MERS
Coronaviruses are a diverse family that may be becoming more threatening to people.
- Health & Medicine
Levels of certain proteins in the blood may act as concussion biomarkers
College athletes who suffered concussions had elevated blood levels of three proteins, a potential chemical sign that one day may aid diagnosis.
- Health & Medicine
No, snakes probably aren’t the source of that new coronavirus in China
Scientists are skeptical about a new study that pinpoints snakes as the animal reservoir for the ongoing coronavirus outbreak in China.
- Health & Medicine
WHO says China’s coronavirus outbreak isn’t a global emergency yet
While the WHO says the coronavirus outbreak isn’t a global emergency, China has locked down several large cities to stop the virus from spreading.
- Humans
Stress turns hair gray by triggering the body’s fight-or-flight response
A study in mice finds stress responses deplete cells that give hair its pigment, making the strand white.
