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Sleep linked to slower ageing: huge study pinpoints the right amount - Nature

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Maria Popescu
Heidi Ledford reports for Nature from Seattle, Washington. Search author on: PubMed  Google Scholar Bluesky Facebook LinkedIn Reddit Whatsapp X Getting roughly 6–8 hours of sleep each day has been linked with a longer life — at least in humans.Credit: Justin Paget/Getty A sweeping analysis of sleep duration and signs of ageing in half a million adults has pinpointed a sweet spot — about six to eight hours of sleep each day — that is linked to a lower risk of early death and disease. Getting either more or less sleep than that was associated with accelerated ageing, which was measured by nearly two dozen different biological ageing ‘clocks’ that aim to assess ageing’s impact on the body. The sleep paradox: why do humans sleep so little when we need it so much?
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Omega-3 Supplements Linked to Cognitive Decline in Surprising New Study - SciTechDaily

For millions of adults, omega-3 supplements are part of a daily routine built around heart, joint, eye, and brain health. Fish oil, krill oil, and flaxseed oil capsules are among the most widely used nonvitamin supplements in the United States, especially among older adults who take them in hopes of staying mentally sharp.

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Yawning does something unexpected to your brain: MRI scans reveal how yawning and deep breathing differ | Health - Hindustan Times

Yawning is an involuntary reflex action that is widely considered to be a sign of fatigue, boredom, or stress. However, a study published in the Respiratory Physiology & Neurobiology, titled Biomechanics of contagious yawning: Insights into cranio-cervical fluid dynamics and kinematic consistency, has revealed something unexpected about the effect of yawning on the flow of fluid that protects the brain.

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Leziunile focale ale substanței albe stimulează inflamația materiei cenușii și pierderea sinapselor

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