Being underweight in middle-age may raise the risk for dementia later on, while being overweight or obese may protect against dementia, hints the largest study yet to look at the association between body mass index (BMI) and dementia risk. “Our findings contradict many but not all previous studies and is currently controversial” Nawab Qizilbash, MBChB,…
An older age at retirement may be associated with a significantly decreased risk of dementia, according to research presented at the 2013 Alzheimer’s Association International Conference. In a study of 429,803 retired French workers, Carole Dufouil, PhD, and colleagues found that the hazard ratio of dementia was 0.968 for each extra year of age at…
Older people who are living independently but have signs of cerebral damage may lower their risk of having progressive cognitive impairment or dementia if they remain physically active, researchers found. Even after adjustment for white matter changes seen on MRI and history of stroke, those who met criteria for physical activity had significantly lower risks…
VANCOUVER—The quality and quantity of sleep may be associated with the risk for cognitive decline, according to four studies presented at the 2012 Alzheimer’s Association International Conference. Treatments for insomnia or circadian rhythm delay might reduce or prevent cognitive decline, investigators reported. Sleep Duration and Cognition Compared with a sleep duration of seven hours per…
Patients with mild cognitive impairment (MCI) may be able to avoid developing dementia by drinking several cups of coffee a day, the results of a new study suggest. The study showed that patients with MCI who have a plasma caffeine level of 1200 ng/mL avoided progression to dementia over the following 2 to 4 years….