Health News – Science and Medicine Articles


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Live Science is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission. Learn moreNurses and healthcare workers mourn and remember their colleagues who died of COVID-19 during a demonstration outside Mount Sinai Hospital in Manhattan on April 10, 2020.

US reaches staggering milestone — 200,000 COVID-19 deaths

By Rachael Rettner

It took eight months to reach 200,000 deaths.

Why do we sleep? The answer may change right before we turn 3.

By Nicoletta Lanese

The main function of sleep may change as our brains do.

Coronavirus outbreak: Live updates

By Yasemin Saplakoglu, Jeanna Bryner, Rachael Rettner

There have now been more than 31 million COVID-19 cases reported worldwide and more than 965,600 deaths.

New CDC guidelines say coronavirus spreads through air. Then CDC deletes them.

By Yasemin Saplakoglu

The Centers for Disease Control and Prevention acknowledged what scientists have been saying for a while: the coronavirus can spread through the air. Then, they took it back.

Black doctors have created a task force to make sure COVID-19 vaccines are safe

By Nicoletta Lanese

The panel is independent of the FDA and CDC and will review decisions of both agencies.

Live Science podcast ‘Life’s Little Mysteries’ Episode 49: Mysterious Bacteria

By Live Science Staff

Single-cell microbes known as bacteria are simpler than most forms of life, yet they are still intriguingly complex.

CDC reverses controversial coronavirus testing guidelines

By Yasemin Saplakoglu

The guideline change comes after strong criticism from public health experts and a report that the updated guidelines were posted despite objections from CDC scientists.

‘We just had no answers’: COVID-19 ‘long-haulers’ still learning why they’re sick

By Nicoletta Lanese

Some people deal with COVID-19 symptoms for months on end.

Flu season may be very mild this year, thanks to COVID-19 precautions

By Rachael Rettner

Flu activity in the U.S. right now is at “historical lows,” according to a new report.

Moderna releases key details on how it’s running COVID-19 vaccine trial

By Nicoletta Lanese

Other vaccine makers have been criticized for giving too little information on their clinical trials.

Could wearing glasses lower the risk of COVID-19?

By Rachael Rettner

It’s still too early to recommend that everyone don eyeglasses, goggles or face shields in public to protect against COVID-19.

COVID-19 may become a seasonal virus

By Rachael Rettner

COVID-19 may eventually become a seasonal illness like the flu.

Why can’t humans digest corn?

By Donavyn Coffey

Have you ever wondered why humans can’t digest corn?

The new coronavirus can infect brain cells, study finds

By Nicoletta Lanese

However, scientists still don’t know how the virus sneaks into the brain in the first place.

Coronavirus news of the week (VIDEO)

By Nicoletta Lanese

Catch up on important COVID-19 news from Live Science.

13-year-old dies of rare ‘brain-eating’ amoeba after swimming in Florida lake

By Rachael Rettner

Infections with this organism are almost universally fatal, with less than a 3% survival rate.

Eating out may be riskier than riding a bus during COVID-19 pandemic

By Rachael Rettner

People who tested positive for COVID-19 were twice as likely to report dining at a restaurant before becoming sick than people who tested negative.

Flu shot facts & side effects

By Rachael Rettner

The seasonal flu shot is a yearly vaccine administered to protect against the flu, or influenza. In the United States, flu shots are recommended for everyone ages 6 months and older.

Why AstraZeneca just paused its coronavirus vaccine trial

By Nicoletta Lanese

The hold is “a routine action” that can be expected during a clinical trial.

Coronavirus may dice heart muscle fibers into tiny snippets, remove cells’ DNA

By Rachael Rettner

The finding is unlike anything researchers have seen before.

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