Parkinson's disease Archive

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.

A 2025 study suggests that very low levels of lithium in the brain might be linked to Alzheimer's disease. In mice, certain lithium supplements seemed to protect memory and the brain. But scientists don't yet know if lithium pills are safe or helpful for people.

Cervical dystonia is a movement disorder that causes involuntary, sustained muscle contractions that make the head wobble or rest in abnormal positions. Symptoms can be disruptive, making it hard for people with the condition to drive, dress, or reach for objects.

Parkinson’s disease symptoms tend to develop gradually and can be mistaken for normal aging. Early movement-related signs include tremor in one hand, slower movements, mild balance and gait changes, and muscle stiffness. Other clues include loss of smell, sleep changes, and constipation.

A 2025 study suggested that living in areas where residents commonly speak multiple languages may promote healthy aging.

A 2025 study found that people ages 50 to 90 who received treatment within one week after a moderate or severe traumatic brain injury had a 41% lower risk of developing Alzheimer's disease over the following three years, suggesting that early treatment may be important.

Do you find yourself misplacing your keys more often? Losing your glasses on a daily basis? Forgetting dentist appointments? In our short video, Dr. Mallika Marshall describes common-sense strategies for improving your memory.

The new year is a good time to focus on cognitive fitness. Exercise, healthy eating, mental challenges, good sleep, controlling stress, and social engagement support neuroplasticity and help keep thinking and memory sharp.