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.
Various tests claim to be able to tell your true age. Here's how they do it.
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.
People with anosmia have no sense of smell, and there is no cure for the condition.
As obesity has become a health concern globally, weight loss information has proliferated – with questionable effects on prevalence.
Duterte says there are three million drug users in the Philippines. There are almost certainly many fewer than that.
There's a new weapon against mosquitoes that spreads diseases such as dengue and yellow fever – more mosquitoes.
A public health programme respected locally, lauded globally, and based on the best science for helping homeless crack users, is at risk of falling victim to Brazil's partisan politics.
Medical entries on Wikipedia are widely consulted across the world. Doctors and medical researchers need to make efforts to ensure the content on the online collaborative encyclopedia is accurate.
For the next five years South Africa will be leading one of the latest large-scale trials for a vaccine for HIV.
In developed countries, the main causes of preterm deaths are well known and studied.But in low resource countries, the causes are much less understood.