A recent paper outlines an intriguing new theory. The authors ask whether the microbes that inhabit the human body could transfer diseases such as diabetes and heart disease from person to person. Written by Tim...

Although the role of “good” viruses in human health is still relatively mysterious, we are slowly unraveling the importance of our viral visitors. In this special feature, we introduce a neglected section of the microbiome...

Rheumatoid arthritis is a long-term autoimmune condition that causes inflammation, pain, and stiffness in the joints. Some research suggests that the spice turmeric may help relieve the inflammatory symptoms of this condition. Medically reviewed by...

It is common knowledge that exercise is good for physical health, but a new study shows that it can also help curtail episodes of depression, even in those who have an increased genetic risk. Written...