Today's Health Links November 26, 2013

An international research team studying Alzheimer’s and mild cognitive impairment is reporting potentially significant findings on a vascular abnormality outside the brain.

A new discovery may help explain the surprisingly strong connections between sleep problems and neurodegenerative conditions such as Alzheimer’s disease.

New research shows that a higher body mass index and larger waist circumference are each associated with higher risk of hearing loss, while a higher level of physical activity is associated with lower risk of hearing loss in women.