The neurotoxic effects of Agent Orange can affect the long-term brain health of veterans and anyone exposed to similar herbicides.

Family caregivers who have stronger support networks and positive communication with loved ones tend to be more resilient.

Studies show college athletes sleeping less than 7 hours per night are almost twice as likely to be injured when compared with athletes sleeping more than 8 hours.

Cambridge scientists may have discovered a new way in which fasting helps reduce inflammation – a potentially damaging side-effect of the body’s immune system

The cost, time burden, and potential side effects of a new Alzheimer's drug may not be worth the minimal benefit, research suggests.

Researchers have discovered that older mice and those with a specific gene variant have "exhausted" immune cells in their brains.

A blood test in midlife may predict risk of cognitive decline and Alzheimer's later, according to a new study.

A new study links bacterial infection with a moderate but significant increase in the risk of Alzheimer’s disease in older adults.

Smoking shrinks the size of your brain. Quitting smoking prevents further loss of tissue, but can't restore the brain to its original size.

The loss of the so-called "happiness" chemical, serotonin, may contribute to memory problems, including Alzheimer's disease.