Scientists have created a blood test that can estimate when Alzheimer’s symptoms are likely to begin. By measuring a protein called p-tau217, the model predicts symptom onset within roughly three to ...

More than 7 million Americans aged 65 and older have Alzheimer's disease, the most common form of dementia. Yet average wait times for a dementia diagnosis range from 12 months to nearly four years.

Researchers believe the test could be a new way to foresee how quickly the disease will progress, but evidence so far is preliminary. A growing body of research links insulin resistance, a hallmark of ...

Pinpoint whether memory loss is normal aging or a warning sign—clear patterns to watch, the ABCS tracking method, and when to ...

A study published in Nature on August 6, 2025, found that lithium is the only metal significantly depleted in the prefrontal ...

A clinical trial suggests that low-dose lithium may slow the decline of verbal memory in older adults with mild cognitive impairment and amyloid-beta.

During the quiet hours of sleep, your brain is hard at work. It sends out tiny electrical signals that ripple across networks deep in your mind. For years, scientists knew these patterns told stories ...

A 57-year-old woman came to our office with her daughter, who was concerned about her mother’s memory. The patient, too, was agitated and confessed to bouts of forgetfulness and confusion. As ...

A massive international brain study has revealed that memory decline with age isn’t driven by a single brain region or gene, but by widespread structural changes across the brain that build up over ...