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2. Neuroscience of aging - Wikipedia

   en.wikipedia.org/wiki/Neuroscience_of_aging

   The brain volume decreases roughly 5% per decade after forty. It is currently unclear why brain volume decreases with age. However, a few causes may include cell death, decreased cell volume, and changes in synaptic structure.

3. Cerebral atrophy - Wikipedia

   en.wikipedia.org/wiki/Cerebral_atrophy

   Finally, evidence for the recovery of brain volume with continued sobriety is supported by the improvement in neuropsychological performance. Compared to the control participants, abstinent alcoholic patients scored significantly better on tests measuring cognitive, sensory, and motor functions including abstract reasoning , memory ...

4. Aging brain - Wikipedia

   en.wikipedia.org/wiki/Aging_brain

   [22] [69] This hypothesis suggests that two patients might have the same brain pathology, with one person experiencing noticeable clinical symptoms, while the other continues to function relatively normally. Studies of cognitive reserve explore the specific biological, genetic and environmental differences which make some people more resistant ...

5. Sleep apnea impacts brain in ways that may affect cognitive ...

   www.aol.com/sleep-apnea-impacts-brain-ways...

   and those with more than 15 disruptions and moderate to severe sleeping difficulties. Sleep issues linked to increased brain volume. Researchers then followed up with study participants after 10 ...

6. Central nervous system fatigue - Wikipedia

   en.wikipedia.org/wiki/Central_Nervous_System_Fatigue

   In the brain, serotonin is a neurotransmitter and regulates arousal, behavior, sleep, and mood, among other things. [9] During prolonged exercise where central nervous system fatigue is present, serotonin levels in the brain are higher than normal physiological conditions; these higher levels can increase perceptions of effort and peripheral muscle fatigue. [9]

7. Green tea drinkers have fewer brain lesions linked to dementia

   www.aol.com/green-tea-drinkers-fewer-brain...

   In a second analysis, they also adjusted for medical factors, including hypertension, diabetes mellitus, APOE e4 allele (which increases dementia risk), body mass index (BMI), cholesterol levels ...

8. Hypofrontality - Wikipedia

   en.wikipedia.org/wiki/Hypofrontality

   Mostly in the frontal cortex, these differences often stem from a smaller brain volume, and the decreased blood flow that results influences the hypofrontality. [9] It has not been determined if the reduction of the frontal cortex is the ultimate cause of the symptoms, or if the condition worsens as the symptoms develop.

9. Vitamin B12 deficiency symptoms - AOL

   www.aol.com/finance/vitamin-deficiency-cause...

   Vitamin B12 deficiency symptoms . Vitamin B12 deficiency has a few hallmark symptoms, according to doctors: Lack of energy. Mental fatigue. Nausea, vomiting, or diarrhea. Lack of appetite. Weight loss