Highlights findings from a study showing that nicotine triggers a surge in levels of the neurotransmitter dopamine in the brain's main reward area for cigarette smokers.
Highlights the need for research to assess and find solutions to a potential rise in substance abuse among service men and women, veterans, and their families.
Highlights data on unhealthy eating behaviors, such as fasting or purging, and substance abuse problems among teens.
Reports study results suggesting that genes for several acetylcholine receptor proteins influence early smoking responses and the likelihood of nicotine dependence.
Reviews research indicating that both parental influence and certain genes interact to influence nicotine addiction and that parental monitoring may play a role in reducing risk.