Cannabis users show no difference in motivation for rewards, pleasure from rewards, or the brain's response to reward-seeking than non-cannabis users.
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.
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.
Study reports adolescents are three times more likely to develop cannabis use disorder than adults, but may not be at more risk of developing other mental health disorders associated with cannabis use.
The vascular age of male athletes who participate in endurance exercise is 10 years older than their chronological age. Female athletes showed no overall difference between vascular and chronological age.
Living life with a sense of purpose was associated with a reduced risk of developing Alzheimer's disease and other dementias later in life. Researchers found a sense of purpose was associated with a 19% reduced rate of clinically significant cognitive impairment.
People who were raised in rural or suburban areas have better spatial navigation skills than those raised within a city, a new study reveals.