Dementia Archive

People with higher levels of cardiorespiratory fitness were less likely to develop depression and dementia than those with low levels of cardiorespiratory fitness, according to a 2026 research review.

Dementia poses many challenges, both for people struggling with it and for those close to them. Understanding common behaviors and learning to handle situations that arise can help families and caregivers.

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.

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 2026 study found that drinking two to three daily cups of caffeinated coffee, or one to two daily cups of caffeinated tea, was linked to better cognitive health and lower risks of dementia.

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.

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.