Public Health
FDA: Smokeless cigarettes produce less harmful chemicals
FDA clears Philip Morris to market its smokeless cigarettes as modified risk tobacco products, which could benefit smokers battling a nicotine addiction.
Natural herd immunity to COVID-19 might be impossible
Coronavirus antibodies can disappear, according to a new study, potentially killing hopes that natural herd immunity will end the COVID-19 pandemic.
What we know about how the coronavirus affects the brain
Studies are finding that the coronavirus affects the brain as well as the lungs in some patients, causing delirium, strokes, and even fatal swelling.
New air filter for COVID-19 could lower risk of being indoors
A new air filter for COVID-19 heats up to nearly 400 degrees Fahrenheit to kill the coronavirus in aerosols.
Is the coronavirus airborne, and does it matter?
Is the coronavirus airborne? More than 200 scientists have told the WHO that yes, it’s likely the coronavirus spreads through aerosols.
New images reveal which type of face mask is the best
To find out which type of face mask is the best, researchers rigged a mannequin’s head to a fog machine and then tested four masks on it.
Pfizer’s COVID-19 vaccine produces more antibodies than the disease itself
Early data shows Pfizer’s COVID-19 vaccine produces immunity as good as, or better than, recovery from the virus.
A guide to flying during the coronavirus pandemic
Flying during the coronavirus pandemic can increase your infection risk, but if you can't avoid it, here’s how to do so as safely as possible.
What are the risks for pregnant women with COVID-19?
Pregnant women have a lot to worry about, but is stressing over coronavirus worth it? Here's the latest research.
Simple tips for choosing a face mask that works
To prevent the spread of COVID-19, face coverings are now mandatory in many states. Here’s what you need to know about choosing a face mask.