Dementia & Alzheimer's

For decades, confirming Alzheimer's disease meant a spinal tap or an expensive brain scan.

Researchers found a brain pathway that may explain why glucosamine affects cognitive decline differently.

Your legs may detect brain trouble before your memory does.

The belief that Alzheimer's is an inevitable consequence of bad genes or aging is outdated.

A large-scale genetic study suggests some of the processes driving Alzheimer's disease may begin in the lungs, gut, and blood, years before reaching the brain.

Dr. Russell Blaylock argues that immune activity triggers excitotoxicity, a process he says may help explain MS, arthritis, and other chronic diseases.

Researchers found that everyday health patterns could help flag Alzheimer’s risk, pointing to a broader connection between the body and the brain.

Recognizing early warning signs, dancing, and practicing finger-coordination exercises may help protect brain health.

A Cochrane review found that anti-amyloid drugs offer minimal cognitive benefit while raising risks of brain swelling and bleeding.

Could breakfast be your medicine?

A study found that lower vitamin D levels at age 39 were linked to Alzheimer's-related brain changes 16 years later.

Acts of kindness may be one of the most effective antidotes to dementia.

Two brain experts say midlife is a critical window for brain health. 

New research from Sweden finds that replacing passive screen time with mentally stimulating activities such as reading or working may reduce dementia risk.

Beginners benefit the most from cooking at home, according to a 6-year Japanese study of nearly 11,000 adults. 

Some people aged 80 and older have memories that rival those of people 30 years younger.

A sleep‑lab study finds that all‑night pink noise–used by millions to drown out traffic and snoring–reduces REM sleep and distorts normal sleep patterns.

Scientists investigate a new link between Chlamydia pneumoniae bacteria in the eyes and brains of Alzheimer's patients.

A 15-year Swedish study finds meat may shield carriers of the APOE4 gene against Alzheimer's—unless they're eating processed meats.

Perlmutter points to how immune cells in the brain, known as microglia, respond to stress and the environment, potentially reshaping mood and behavior.

A study tracked more than 131,000 people for up to 43 years.

Where your nitrates come from may matter more than how much you take in.

Your brain's waste disposal system may hold the key to preventing dementia.

Findings challenge the idea that lower-fat dairy is always the better choice for brain health.

Some familiar foods may be working against your brain. Nutrition and brain-health experts explain why and offer smarter alternatives.

The brain changes long before cognitive or behavioral symptoms appear.

A study of half a million people challenges the idea that light drinking protects the brain.