By taking antiretroviral drugs during pregnancy, this Tanzanian mother lowered the risk of passing HIV to her daughter.
Siegfried Modola/AFP/Getty Images
February 28, 2013 Every year about 300,000 babies in sub-Saharan Africa are born with HIV. A new strategy aims to reduce these infections by putting every pregnant woman with HIV on drug treatment for the rest of her life. The approach has worked well, so far, in the small country of Malawi.
Twins in Malawi helped scientists discover a role the gut microbiome appears to play in severe malnutrition.
Photograph courtesy of Tanya Yatsunenko
January 30, 2013 The bacteria that live in humans' guts influence weight gain and health. By studying twins in Malawi, scientists have found that changes in this microbial community may also turn malnutrition into a fatal condition.
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