Researchers found a lower risk of cardiovascular disease in owners of dogs, especially hunting breeds.
Gene-editing has been attempted on cells inside a patient, in a world first by doctors in California.
Regular "treating" and over-feeding is a common issue, according to a review of parents' opinions.
Why I decided to donate my eggs to a stranger
The Chinese mothers who won't go outside after giving birth
Things not to say to someone with vitiligo
The hospital helping heal the Middle East
Delhi's air pollution is triggering a health crisis
Why the plague caught Madagascar unaware
The legal fight over a little boy became an international issue - and everyone had an opinion.