Low HIV rates in West Africa meant the region did not benefit from international aid for clinics and staff, leaving healthcare systems to crumble.
A new assessment of the evidence suggests putting on weight increases one's risk of the disease.
Extensive research on children is ringing alarm bells about allergies.
The drive to prevent childhood obesity in the United Kingdom has not made progress.
The prohibitive cost of cancer medicines and their lack of efficacy means early intervention is more important than ever.
A new study says televisions, computers, cellphones and console games are causing untold harm to children under three.
Chronic insomniacs are far better off treating their condition through cognitive behaviour therapy than with pills, new research suggests.
But experts warn that drugs alone will not win it, after the pharmaceutical giants agree to work together on an ambitious project.
Why Ebola hit West Africa hard
Obesity: Children tip the scales
Weight gain ratchets up risk of ovarian cancer
Fast food linked to child asthma
Screens risky for toddlers
Go inside the international network of women willing to break the law to give people access to termination of pregnancy services.
Until now, the national and provincial health departments have not been able to say where services are provided. Here's how we found them.
As the death toll rises, we look at the people, the policies and the politicians at the centre of this national tragedy.
Bhekisisa means "to scrutinise" in Zulu
In South Africa, Zulu patients who would like to be thoroughly assessed by a doctor, would ask the physician to "bhekisisa" them.