Gut bacteria affect the behavior of immune cells throughout the body and in the brain, including ones implicated in neurodegenerative disorders such as Alzheimer's disease. The findings open up the possibility of altering the microbiome to prevent or treat neurodegeneration.
Those who suffer from dry eye disease are at greater risk of suffering injuries to their corneas. Researchers report proteins produced by stem cells that regenerate the cornea could be targeted to treat or prevent such injuries.
While exercise and mindfulness help older adults stay physically fit and mentally well, they may not have such a strong beneficial impact on cognition as previously believed.
Study reveals how aging impairs autophagy and how enhancing autophagy can prevent cells from dying in Huntington's disease.
In fruit flies, specific neurons in the brain adapt to help the insect remain alert in dangerous situations and fall asleep after a trying day. The findings could help in the development of new therapies to treat sleep disorders in humans.
COVID-19 infection has been linked to a range of lasting neurological and psychological disorders, including depression, memory problems, and Parkinson's-like disorders, within the first year following infection.
A new multitask model artificial intelligence algorithm based on data from wearables predicts treatment outcomes on an individual basis for those with depression.
Prenatal exposure to cannabis was associated with an increased risk of neuropsychological disorders, including anxiety and depression, in children. The risk grows as they enter adolescence and adulthood.
Older adults who experience more positive social interactions report feeling a higher sense of purposefulness, especially after retirement.
Researchers have identified a specific neural circuit and neuropeptide responsible for relaying the sensation of a pleasant touch from the skin to the brain.