A new study reviews the effects of cannabis on the experience of pain. The results highlight the affective component in cannabis's pain-relieving effects.
A number of risk factors are known for dementia; these include hypertension, a sedentary lifestyle, obesity, and smoking. A new study may add another.
Nausea, a missed period, and breast changes are all common early signs of pregnancy. Learn more about these and other signs that you should take a pregnancy test.