Tag: "abuse" at biology news
New UD tissue-engineering research focuses on vocal cords
...ngs through the trachea. However, excessive use or abuse
of the voice can lead to scarring of the vocal fold lamina propria, which disrupts their natural pliability, resulting in hoarseness and other symptoms of vocal dysfunction. The reduction of vocal-fold scarring remains a significant therapeutic cha...
Females more prone to brain damage from alcohol abuse
... women are more prone to brain damage from alcohol abuse
than men. The study led by Kristine Wiren, Ph.D., associate professor of behavioral neuroscience and medicine, OHSU School of Medicine, and research biologist, PVAMC Research Service, found that female mice are more susceptible to neurotoxic effect...
Eat fish -- especially if you drink high levels of alcohol
...alcoholics." "This helps to explain why alcohol abuse
leads to losses in polyunsaturated fats in the circulation and organs," said Salem. "However, dietary influence does not explain all of the changes observed in past studies of fatty-acid changes in organs of alcohol abusers. Alcohol also has an eff...
Gene variant increases risk for alcoholism following childhood abuse
Girls who suffered childhood sexual abuse
are more likely to develop alcoholism later in lif... Previous studies have shown that childhood sexual abuse
increases the risk for numerous mental health problems in adulthood. However not all abused childre...
New amfAR research grants to optimize HIV treatment
...e cognitive and biological mechanisms linking drug abuse
with poor adherence are not completely understood.... cocaine abusers and those with no history of drug abuse
while they conduct a cognitive test designed to measure decision making processes. The results of he...
Does stimulant treatment for ADHD increase risk of drug abuse?
...amine D2 receptors may attenuate the propensity to abuse
drugs. "This new study provides evidence that ch...s to minimize adverse effects on the propensity to abuse
drugs," Thanos said. Thanos notes that the findings from this study cannot be directly extrapolate...
New study examines 'brain's own marijuana'
... that one of the major reasons that people use and abuse
marijuana is to relieve stress, according to Samir Haj-Dahmane, Ph.D., neuroscientist and principal investigator on the RIA study. However, because marijuana can be addictive, it cannot be used to treat stress-related mood disorders such as anxiety. ...
Spouse may 'drive you to drink' but also can protect you from alcohol
...endence, it appears that when one spouse begins to abuse
alcohol, the other might actually reduce alcohol intake. "We don't really know how this works," she explains. "It is possible that an individual decreases his or her alcohol consumption in reaction to the other's excessive alcohol use. Maybe one pe...
Prenatal toxicity linked to immune dysfunctions in later life
...nal smoking, antibiotics, diesel exhaust, drugs of abuse
and PCBs. Antidotes to DIT, the researchers note, could come from a variety of sources, including herbal and fungal chemicals -- from mushrooms to clover -- which appear to have promise. Two immune processes -- T helper (Th) cell balances and dendrit...
Potential genetic testing for substance abuse raises hope, concern
...Both the panic disorder study and one on substance abuse
used data from the Iowa Adoption Studies, which we...n identifying people who might be prone to alcohol abuse
or smoking and how insurance companies, for example, might use that information," said Tracy Gunter,...
Study advances evidence for receptor's role in alcohol pleasure and problems
...t could increase their risk for developing alcohol abuse
and dependence," notes Markus Heilig, M.D., Ph.D., NIAAA Clinical Director and the studys senior author. Molecules known as opioid peptides bind to opioid receptors in the brain to signal experiences of reward and reinforcement, as well as the euph...
Genes and genius: Researchers confirm association between gene and intelligence
...chers, who isolated DNA regions related to alcohol abuse
and dependence, as well as a variety of other outcomes. Some of the participants in the study also took the Wechsler Adult Intelligence Scale-Revised, a traditional IQ test. In all, members of 200 families, including more than 2,150 individuals, to...
Experimental Biology 2007: Today's Research, Tomorrow's Health, April 28-May 2
...eparation, affects drug response and propensity to abuse
drugs as an adult; and cardiovascular gene therapy. The American Physiological Society program includes 16 societal or distinguished lectures and a Physiology Infocus session that focuses on novel technologies in physiology and medicine, such as ad...
Long-term marijuana smoking leads to respiratory complaints
...widely used illicit drug in the United States, and abuse
of the drug is on the rise. The study is published in today's Archives of Internal Medicine. First author Jeanette M. Tetrault, M.D., and colleagues sought to find the relationship between marijuana smoking and pulmonary function or respiratory compl...
Common gene version optimizes thinking -- but with a possible downside
...d this pivotal protein to depression and substance abuse
as well as to schizophrenia," added NIMH Director Thomas Insel, M.D. To understand DARPP-32's role in the human brain, the NIMH researchers used genetic, structural and functional magnetic resonance imaging, and post-mortem techniques to identify ...
Prenatal cocaine's lasting cellular effects
...high levels of cocaine -- usually coupled with the abuse
of other drugs -- can lead to premature labor, pre...in human populations because cocaine abusers often abuse
other drugs. Animal models can help determine how prenatal cocaine exposure might influence brain de...
Reduced frontal-lobe activity and impulsivity may be linked to alcoholism risk
...an others to behaviors such as excessive drinking, abuse
of illicit drugs, and perhaps the development of other disinhibitory disorders. Awareness of this increased vulnerability can aid in better prevention strategies, and early identification of individuals manifesting high impulsivity may prevent more ...
The G allele of the mu-opioid receptor gene is linked to craving for alcohol
...about the genetic variables that influence alcohol abuse
may be used to help determine which treatment is most appropriate for a given individual," said Hutchison. "For example, an individual who has a gene that confers some vulnerability in a particular system in the brain may benefit most from a treatme...
Researchers writing story of the 'alcoholic lung'
...RT LAUDERDALE, FL (Nov. 3, 2006) _ Chronic alcohol abuse
disrupts the proteins that keep fluids out of the ...ale. Beyond the liver Although chronic alcohol abuse
is closely associated with liver disease, the condition affects many of the body's organs. In recent...
Low levels of neurotransmitter serotonin may perpetuate child abuse across generations
may be perpetuated between generations by changes ... endured high rates of maternal rejection and mild abuse
in their first month of life, their brains often produced less serotonin, a chemical that transmits ...
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