Alcohol
Over 3,000 people in the U.S. over 45 years of age were surveyed in a study of loneliness (sponsored by AARP). The survey measured loneliness using the UCLA Loneliness Scale. Participants who scored 44 points or more were defined as "lonely", while those scoring 43 or less were defined as "not lonely". (My bullet points aren't [...]
The earlier you start drinking, the more stress-induced drinking you may have later, according to a new study. The total amount of alcohol consumption was examined, and not number of "drinking days". This is because total amount of consumption is more of an indicator of stress-induced drinking. Stressful life events caused increased drinking, while normal day-to-day [...]
ScienceDaily (2011-02-15) -- Researchers have known for decades that alcohol can initially deepen sleep during the early part of the night but then disrupt sleep during the latter part of the night; this is called a "rebound effect." A new study of the influence of gender and family history of alcoholism on sleep has found that [...]
ScienceDaily (2010-12-27) -- Scientists have found that a genetic variant of a brain receptor molecule may contribute to violently impulsive behavior when people who carry it are under the influence of alcohol. The researchers sequenced DNA of the impulsive subjects and compared those sequences with DNA from an equal number of non-impulsive Finnish control subjects. They [...]
When you have to have the newest tech gadget or go skydiving for the first time, your ventral striatum may be the culprit. The ventral striatum is also the section of the brain where drug and alcohol use induces the release of dopamine. In addition, compared to people without ADHD, people with ADHD have reduced activation in the ventral [...]