Related Episodes for The Brain and Social Impacts of Screen Time and Early Device Exposure

“A small magnetic-resonance spectroscopy study also found that 20 grams per day for four weeks increased brain creatine by an average of about 8.7 percent, showing that brain uptake is possible but variable.”

“High energy demand is a promising research setting. In a randomized crossover study of 15 healthy adults undergoing 21 hours of sleep deprivation, a single 0.35-gram-per-kilogram dose changed cerebral energy measures and improved selected cognitive outcomes.”

“A later crossover study using a lower weight-based dose found its clearest benefit in reasoning, while several memory, accuracy, fatigue, and sleepiness outcomes did not reliably improve. Routine muscle supplementation and acute sleep-loss research use different protocols.”

“Time-restricted eating can help some people reduce eating opportunities, although a 12-month trial found no additional weight or body-fat benefit when an eight-hour eating window was added to calorie restriction. Sleep also affects appetite and fat distribution.”

“This is a proposed metabolic advantage, not proof of slower brain aging. Small TBI trials found that sodium lactate lowered intracranial pressure more than mannitol in severe TBI and improved cognitive scores more than 3% sodium chloride in mild TBI.”

“She uses that result to make consistency practical. Aerobic exercise does not need to be all-out every day, but sessions that raise heart rate and improve cardiorespiratory fitness provide a meaningful brain stimulus.”

“In a study of more than 25,000 UK Biobank adults who reported no structured exercise, about three short VILPA bouts per day were associated with 38 to 40 percent lower all-cause and cancer mortality and 48 to 49 percent lower cardiovascular mortality compared with no VILPA.”

“Smaller crossover studies support the same practical direction. Sprint intervals improved the late insulin response after one four-hour night of sleep, and a two-week HIIT program attenuated the rise in glucose, insulin, and free fatty acids after 24 hours without sleep.”

“In 15 people with severe traumatic brain injury, sodium lactate infusion increased brain lactate, pyruvate, and glucose without raising intracranial pressure, and a randomized study in 60 patients with mild traumatic brain injury reported better cognitive recovery than hypertonic saline.”

“Mouse studies of feeding during infection also found different responses across bacterial and viral models, so a minimally processed dietary pattern, regular exercise, and normal hydration and nutrition during illness provide a more useful foundation than one universal food or fasting rule.”