The above image shows a set of dental instruments from the late 19th century. It's No. 5 of 8 in a series showing the evolution of medical instruments over time. The images are presented in collaboration with the London-based Wellcome Trust, whose library features visual collections with themes ranging from medical and social history to contemporary healthcare and biomedical science.
‘Cyclic sighing’ can help breathe away anxiety
Stanford Medicine researchers showed that five minutes a day of breathing exercises can reduce overall anxiety and improve mood.
Is an increase in penile length cause for concern?
Researchers have found that over the past 30 years the length of the average erect penis has increased, and it's prompted questions.