Physical activity linked to lower risk of dementia, sleep disorders, other diseases
"This research highlights the role of physical activity and sedentary behavior as modifiable factors that may enhance brain health and reduce the incidence of these diseases," said study author Jia-Yi Wu, MD. "It is promising to think that encouraging people to make these lifestyle changes could potentially lessen the burden of these diseases in the future."
Yes, that is a happy thought. But it doesn't work because those things are caused by microbes. Infection lowers your Orexin level and makes you tired.
Just more bullshit correlations from people who don't understand physiology.