Canadian Space Agency astronaut Chris Hadfield on the International Space Station in 2012. NASA

What happens to the brain in zero gravity?

New research has uncovered exactly what happens to the brain when astronauts are in space.
In this 2012 photo, grandmother Janet Kitheka, 63, collects her adopted “granddaughter” Lucy, 13, at the end of the school day in the yard of the Hot Courses Primary School, in the village of Nyumbani which caters to children who lost their parents to HIV, and grandparents who lost their children to HIV in Kenya. (AP Photo/Ben Curtis)

Aspirin could help reduce HIV infections in women

Research shows that Aspirin could reduce the number of HIV infections in women at high risk for HIV, such as Kenyan female sex workers.
While media portrayals of online sperm donation often portray “rogue breeders” or “super sperm,” research reveals that the real men who do this are motivated to help others. (Shutterstock)

Meet the men who donate sperm on Facebook

Sperm donation websites are the Ubers and Airbnbs of the fertility world. But why are they so popular? New research explains the reasons why some men donate.
Screening tools are available to help health practitioners and individuals to detect mental health problems. But Indonesia still needs to ensure people with mental health problems are treated. www.shutterstock.com

260 million people and less than 1000 psychiatrists, Indonesia’s mental health worker shortage

Indonesia should start investing in mental health care and ensuring that each Puskesmas has enough human resources to detect, treat and care for people with mental disorders.
A nurse in Uganda uses a stethoscope to listen for heart problems at a screening and educational event Oct. 31, 2017. Tao Farren-Hefer

Women with heart disease in sub-Saharan Africa face challenges, but stigma may be worst of all

Noncommunicable diseases are a growing problem in Africa. Among women, heart disease is a particular concern. Medication to treat it can interfere with pregnancy, making women undesirable partners.
Being thin doesn’t mean you can eat unhealthy foods and get away with it. from www.shutterstock.com

Just because you’re thin, doesn’t mean you’re healthy

You might be thin on the outside, but if you have a poor diet and are physically inactive, you can have the same health risks as someone who is obese.
Women in Nepal are tapped for volunteer health work. Many take on the work out of a sense of duty, but also gain access to otherwise inaccessible opportunities. Here women are seen on a bus in Pokhara, Nepal. Terry Boynton/Unsplash

Women health-care volunteers have no upward mobility

Women health-care volunteers in places like Nepal, Afghanistan and Ethiopia play a vital role in the health system, yet they are undervalued and undertrained.

More Analysis and Comment

Editor's Picks

More