Health

Woman gets 6 doses of COVID-19 vaccine at once

The woman was mistakenly injected with an entire vial of the vaccine. A woman in Italy accidentally received six doses...
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Health

Pfizer and Moderna COVID-19 vaccines are 90% effective in ‘real-world’ study

The study included nearly 4,000 U.S. health care and frontline workers. Two doses of either the Pfizer or Moderna COVID-19...
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Health

Does coffee really stunt kids’ growth?

The science is firm, but the myth persists. One reason coffee isn't usually given to kids may be the widely...
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Health

COVID-19 vaccines are safe and effective in pregnancy, new study shows

The Moderna and Pfizer COVID-19 vaccines trigger strong immune responses in pregnant and breastfeeding women, equivalent to that of other...
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Health

What is DNA?

Here's a look at what DNA is made of, how it works, who discovered it and other interesting DNA facts....
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Health

85% of COVID-19 long-haulers have multiple brain-related symptoms

Many COVID-19 "long haulers" experience at least four lingering neurological symptoms, such as brain fog, headache and the loss of...
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Health

AstraZeneca COVID-19 vaccine data may be outdated, US safety board says

The Data Safety and Monitoring Board expressed concerns over AstraZeneca data. An independent group of medical experts in the U.S....
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More than 50 new environmental chemicals detected in people

The chemicals were discovered in a study of pregnant women and their newborns. Researchers have detected more than 50 new...
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100 million shots in arms: U.S. meets vaccination goal early

By the end of Friday (March 19), the U.S. will have administered 100 million doses of coronavirus vaccine since President...
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COVID-19 may lower sperm counts, small study finds

The effect may be temporary, experts said. Men who have recovered from COVID-19 may be at risk of developing low...
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Is it OK to mix and match COVID-19 vaccines? Oxford researchers begin trial.

Amid a shortage of vaccine supplies and the threat of emerging coronavirus variants, such an approach might provide an answer...
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South African coronavirus variant: All your questions answered

A worrisome new coronavirus variant first detected in South Africa, known as B.1.351, has already spread to more than 30...
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More humans are growing an extra blood vessel in our arm that ‘feeds’ our hands, study shows

Picturing how our species might appear in the far future often invites wild speculation over stand-out features such as height,...
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1 in 4 Americans aren’t washing their hands regularly

A new CDC report finds that 25% of people don't remember to wash their hands at important times, such as...
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Masks and closures in Arizona led to a 75% decrease in coronavirus cases

Another study shows that masks and other mitigation efforts not only work, but work well. Mask mandates, closures of certain...
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Health

Scientists zoom in on HIV inside a test tube, find critical steps in infection

Scientists have finally recreated the initial steps of HIV infection in a test tube, offering an incredibly zoomed-in view of...
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Coronavirus can survive on skin for 9 hours

The new coronavirus can linger on human skin much longer than flu viruses can, according to a new study from...
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Health

2 women earn Chemistry Nobel Prize for gene-editing tool CRISPR

The 2020 Nobel Prize in chemistry went to two women who developed a gene-editing tool called CRISPR-Cas9, which snips DNA...
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Nobel Prize in Medicine goes to discoverers of hepatitis C

Three scientists won the 2020 Nobel Prize in physiology or medicine for their discovery of hepatitis C, a blood-borne virus...
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Health

CDC finally acknowledges airborne COVID-19 spread, for real this time

The CDC has updated its COVID-19 guidance to acknowledge that the virus can sometimes spread via small droplet particles that...
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