June 27, 2025

Lower Sleep HRV May Predict Parkinson Disease Onset

A study of patients with REM sleep behavior disorder found that lower heart rate variability during sleep may indicate early signs of neurodegenerative disease, particularly Parkinson’s.

June 25, 2025

Blood Marker May Predict Faster Brain Decline

A new study found that higher triglyceride-glucose index levels, a marker of insulin resistance, were linked to faster cognitive decline in early Alzheimer's, suggesting potential for improved risk assessment in clinical settings.

June 25, 2025

Nighttime Heart Rhythms Predict Brain Disorders

A large Swiss study found that nighttime heart rate patterns may predict future risk for brain and psychiatric disorders, while traditional sleep structure measures were less informative.

June 24, 2025

Liraglutide Linked to Fewer Migraine Days

A small observational study found that liraglutide, a GLP-1 receptor agonist typically used to treat diabetes and support weight loss, significantly reduced migraine frequency in adults with a BMI of 30 or higher—independent of weight change.

June 23, 2025

Nightmares Linked to Faster Aging, Early Death: Study

A large study has found that frequent nightmares in adults are linked to faster biological aging and a significantly higher risk of dying before age 75, highlighting a potential warning sign for long-term health risks.