Articles on Health

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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.
Laser surgery is performed successfully in 95 per cent of cases but the operation can turn into a nightmare requiring complex treatments because it is a new, poorly documented field in medicine. Shutterstock

When laser surgery turns into a nightmare, the toll can be enormous

Laser surgery is touted as a good way to get rid of eyeglasses, but not everyone is suited for it. Plenty of research should be done before taking the plunge.
A national licence to practice may be one way to help address the lack of doctors in some regions, and to encourage telemedicine consultations. (Shutterstock)

A national licence for doctors in Canada: Is it really possible?

In Canada, regulation of professions usually falls under provincial jurisdiction, but there may be feasible models for a national licence for health-care professionals.
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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