Tag: "nicotine" at medical news
Chemists identify immune system mechanism for methamphetamine binges
...hemist at Scripps. Other drugs of abuse, including nicotine
and ecstasy (which is structurally similar to methamphetamine), might share a similar mechanism of action involving immune system recognition and a consequent rise in tolerance to the drug, Janda and his associates theorize. Tolerance refers to the c...
Studies underscore genetic involvement in nicotine addiction & aggressive hostility
...ter two potentially harmful proclivities: one, to nicotine
addiction; the other, to aggressively hostile beha... University of Colorado compared the average daily nicotine
consumption in mice. Co-author Jerry Stitzel, PhD, and his team found that mice with the "threonine...
Study examines racial differences among children to environmental tobacco smoke exposure
... -- a substance produced when the body breaks down nicotine
-- even though these children's parents report lower exposure to environmental tobacco smoke, commonly known as second-hand smoke. "There are at least two possible reasons why African Americans have higher levels of cotinine," says Stephen E. Wilson,...
Insurance incentives might help smokers quit, study says
...smoking-cessation treatment, including counseling, nicotine
replacement products and the antidepressant drug bupropion can increase the chances that a smoker will give up the habit. But "costs are a significant barrier to the use of smoking-cessation treatment. Healthcare providers may be deterred from offeri...
Brain activity of men and women during hostile or impulsive acts differs less on nicotine
...lsive or hostile acts. But when men and women have nicotine
in their bodies, these brain activity differences ...ain activity between the sexes -- illustrating how nicotine
can impact brain function. Results of the study, conducted by Brain Imaging Center researchers suppo...
NHLBI study shows smoking cessation programs improve survival
... program included behavior modification and use of nicotine
gum, with a continuing five-year maintenance program to minimize relapse. After five years, approximately 22 percent of the participants in the smoking cessation program were sustained quitters, with nearly 90 percent of them continuing their success...
Contrary to previous findings, smoking is detrimental to patients with Alzheimer's
...05 -- UCI researchers have determined that chronic nicotine
exposure worsens some Alzheimer's-related brain abnormalities, contradicting the common belief that nicotine
can actually be used to treat the disease. In the latest online edition of the Proceedings of the N...
Smoking causes cognitive impairment in adolescents
... learning and memory, attention, mood, symptoms of nicotine
withdrawal and tobacco cravings in 41 adolescent daily smokers and 32 nonsmokers. The groups were similar in age, gender and education. "Adolescent smokers were found to have impairments in accuracy of working memory performance," Jacobsen said. Oth...
Animal study shows link between nicotine and atrial flutter
...eles, have found that over time, the absorption of nicotine
after myocardial infarction (MI) significantly inc...earchers report a study that tested the effects of nicotine
on hearts with healed myocardial infarction. Numerous studies have shown that smoking promotes coron...
Environmental tobacco smoke linked to reading, math, logic and reasoning declines in children
...ured levels of cotinine, a substance produced when nicotine
is broken down by the body. Cotinine can be measured in blood, urine, saliva and hair. It is considered the best marker of environmental tobacco smoke exposure. For this study, cotinine was measured in the blood of 4,399 children between 6 and 16 ...
Free nicotine patches increase short-term smoking quit rates
Distributing free nicotine
patches increased participation in a Maryland smok...rts in a good way. It is clear that if smokers use nicotine
replacement therapy longer, they have a better success rate," said Anthony J. Alberg, PhD, MPH, lead...
Little evidence to link mercury fillings to human health problems
...ntal amalgam restorations; and Long term use of nicotine
chewing gum combined with intense chewing habits and greater than 20 dental amalgam surfaces has been shown to have more impact on exposure to mercury vapor than bruxism (teeth clenching or grinding) or dental amalgam placement and removal. Conclus...
Brain's nicotine receptors also target for anti-depressants
...ese receptors, they found that the function of the nicotine
receptor in the brain was an essential component of the therapeutic action of antidepressants. Picciotto said the next step will be to study the role of nAChRs in regulating the behavioral and cellular responses to antidepressants. They will see if t...
Smoking not linked to hearing loss
... cotinine, a substance created by the breakdown of nicotine
in the body, does not appear to be linked to hearing loss, according to an article in the November issue of The Archives of Otolaryngology Head & Neck Surgery , one of the JAMA/Archives journals. According to the article, hearing loss is one of the...
Burning anxiety: New treatment targets smokers with panic disorder
...order when they try to quit. Interventions such as nicotine
replacement therapy and counseling don't address their symptoms, but new programs pioneered by University of Vermont psychologists are offering hope. Research suggesting that smoking often precedes panic disorder and may increase risks of developing...
Antidepressant may help people stop smoking when used with nicotine patch
CHICAGO When used with a transdermal nicotine
patch, nortriptyline--an antidepressant medication...75 milligrams per day, as tolerated. A transdermal nicotine
patch was administered to all study participants on the determined quit day and was worn for eight w...
Majority of cigarettes in the US smoked by nicotine-dependent or psychiatrically ill persons
...s living both in and out of group homes to examine nicotine
and other drug use in conjunction with psychiatric...ons (NESARC). Study participants were assessed for nicotine
dependence, alcohol and drug use disorders, mood disorders (e.g. depression, mania), anxiety disorde...
Nicotine dependence & psychiatric disorders
Adults with nicotine
dependence and/or psychiatric disorders consume 70...U.S. adults of the prevalence and co-occurrence of nicotine
dependence and a broad array of other psychiatric disorders including alcohol and drug abuse and dep...
Socio-economic factors sway African-Americans
... access to cessation aids such as over-the-counter nicotine
replacement therapies and treatment for nicotine
addition, greater mass media-based and targeted educational strategies (i.e. low income), public pol...
Nicotine more addictive when combined with other tobacco smoke chemicals, UCI study finds
...on, yet when tested in animal studies, the draw of nicotine
alone appears to be relatively weak compared to ot... series of studies in rodents to determine whether nicotine
may interact with some of the other 4,000 components of tobacco smoke to enhance addictiveness. "...
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