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Artículos sobre Medicine

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When leaders make public health decisions, such as how long social distancing should be maintained to reduce the coronavirus death toll, they often use mathematical models. The numbers aren’t always as simple as they seem. Alex Brandon/AP

Why coronavirus death rates can’t be summed up in one simple number

A lot of numbers are being tossed around about COVID-19 and what to expect in the future. They're being used to make critical public health decisions, but they aren't as simple as they appear.
People have resorted to using scarves and bandanas as face masks to protect against spreading coronavirus. While cloth masks aren’t as effective as surgical masks, research suggests they can limit the spread of droplets. Jens Schleuter/Getty Images

Why wear face masks in public? Here’s what the research shows

U.S. health officials flipped their advice and now recommend everyone wear cloth masks in public to reduce the spread of coronavirus to others. Some cities have fines for going without masks.
Epigenetic clocks are a fascinating new technology, but some potential applications are controversial. (Pixabay/Stefan Keller)

New DNA test that reveals a child’s true age has promise, but ethical pitfalls

Pediatric epigenetic clocks have the potential to accurately assess biological age. However, possible applications in law enforcement and immigration raise ethical issues.
Alarmed by a rapid spread of Lassa fever, the Nigerian Academy of Science is calling on government to declare a health emergency. Pius Utomi Ekpei/AFP via Getty Images

Lassa fever: why there’s a call to declare a health emergency in Nigeria

Concerned about rising cases and spread of Lassa fever, the Nigerian Academy of Science has called on government to declare it a national health emergency.
Joaquin Phoenix won the award for outstanding performance by a male actor in a leading role for ‘Joker’ at the 26th annual Screen Actors Guild Awards. Jordan Strauss/Invision/AP

Joaquin Phoenix’s lips mocked – here’s what everyone should know about cleft lip

After a talk show host mocked Joaquin Phoenix for what she assumed was a cleft lip, the experts address what causes this most common of birth defects.
Vitamin D is sometimes called the sunshine vitamin. FotoHelin/Shutterstock.com

Why you need more Vitamin D in the winter

Vitamin D is essential for good health and particularly for fighting infections and keeping the microbes in the human gut healthy. But in winter it can be difficult to get enough.

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