Research has yet to reveal why and how obesity rates have surged around the world in the past few decades.
Despite increased global awareness about poor conditions in slums, the health of their inhabitants is a little studied phenomenon.
Skin whitening among women has long been commonplace, but now young Asian men too, are using a plethora of whitening products.
There's no good reason why diagnosis rates differ. And it may be down to gender discrimination.
For an emerging country like India, it is easier to take part in exploratory missions to Mars than to tackle its sanitation challenge.
Bill Gates, who has been identified as the world's most significant donor in the fight against AIDS, shares his thoughts on the pandemic with Africa's most prominent HIV/AIDS academics.
A study in Malawi shows how the participation of local community leaders in policy development can change men's attitudes to maternal and child health for the better.
There are good reasons why 'negative data' and wrong hypotheses should be made available to everyone.
The burden of an ageing population on health systems is only going to grow, in both rich and poor countries.
Western science is "discovering" the medical potential of ayahuasca, which Amazonian indigenous groups have used ritualistically for centuries.
Vast numbers of people who migrate in search of a better life end up living in marginal conditions that put their health at risk. But individual lifestyle is also an important factor.
One of the big questions in autism research is whether autism is a single disorder or many different disorders that happen to present in the same way.