A new comprehensive review disputes the serotonin theory of depression, reporting there remains no clear evidence that serotonin levels or serotonin activity is responsible for depression.
A person's ability to self-reflect is associated with cognition and glucose metabolism later in life, a new study finds. Those who engage in more self-reflection had improved cognition, better overall brain health, and increased glucose metabolism later in life.
Researchers partially restored the function of cone receptors in the retinas of children born completely blind by using gene therapy.
Worse cardiovascular health at age 36 can predict a higher brain age and associated cognitive problems later in life.
Cannabis users show no difference in motivation for rewards, pleasure from rewards, or the brain's response to reward-seeking than non-cannabis users.
People with schizophrenia are 2.5 times more likely to develop dementia than those without a mental health disorder.
During mid-to-late life, getting less than five hours of sleep a night increases the risk of developing heart disease, cancer, and diabetes.
When actors hear their own names during a performance, their response is suppressed by activity in the left anterior prefrontal cortex, a brain area associated with self-awareness.
People who experience chronic pain during middle age report poorer mental and overall health problems later in life.
The anti-aging drug Rapamycin only prolongs the lifespan of females according to research using fruit fly and mouse models. Rapamycin increased autophagy in female intestinal cells, but not in males. Findings suggest biological sex may be a crucial factor in the effectiveness of anti-aging drugs.
Aesthetic experience is not just limited to the visual features of a piece of art, but also the moment at which it is viewed.
Sleep duration starts to decline during early adulthood until the age of 33, it then starts to pick up again at age 53, researchers report.