Brain health Archive

The glymphatic system serves as the brain’s cleanup crew. It promotes the circulation of cerebrospinal fluid through the brain during deep sleep, flushing away amyloid and other proteins that can lead to neurological conditions such as Alzheimer’s, Parkinson’s disease, and Lewy body dementia.

Aging and a family history can increase the risk for a stroke, but women can lower it by managing factors that are under their control-such as diet, exercise, blood pressure, smoking, and diabetes.

Encephalitis, or brain inflammation, can cause symptoms ranging from mild, flu‑like illness to life‑threatening confusion and coma. Causes, recovery, and urgent treatments vary by virus.

Tingling, leg weakness, and voice changes can be alarming. Learn how doctors sort out these symptoms and when Parkinson's disease may be suspected.

When tremors progress from a mild nuisance to disrupting daily life, specific therapies may offer relief and help steady your movements.

A 2026 study suggested that helping care for grandchildren can offer cognitive benefits, helping older adults maintain stronger memory and language skills. Grandmothers who helped with childcare-related tasks also showed less overall cognitive decline over time than non-caregiving peers.

LATE dementia (which stands for limbic-predominant age-related TDP-43 encephalopathy) was formally recognized in 2019. LATE and Alzheimer's disease both involve progressive memory loss, but LATE usually advances more slowly than Alzheimer's.

A blackout can be frightening and confusing. Learn what clues doctors look for and which tests help uncover the cause.

Name slips and misplaced keys can feel unsettling in your 70s. Learn which memory changes are typical and when they might signal something more.

Brain health supplements purport to enhance memory and improve attention and focus. But no robust scientific evidence backs up those claims. The FDA doesn't oversee supplement testing, so manufacturers do not need to prove products are effective.