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Tag: "addicted" at biology news

Re-analysis of cigarettes confirms tobacco companies increased addictive nicotine 11 percent

...the U.S., and approximately 900,000 persons become addicted to smoking each year. In conclusion, according to the HSPH researchers, the extended analysis of MDPH data has demonstrated its potential to reveal undisclosed hazards to human health. They suggest that MDPH amend its unique reporting requirements...

Altered perception of reward in human cocaine addiction

People addicted to cocaine have an impaired ability to perceive rewards and exercise control due to disruptions in the brain's reward and control circuits, according to a series of brain-mapping studies and neuropsychological tests conducted at the U.S. Department o...

Pleasure and pain: Study shows brain's 'pleasure chemical' is involved in response to pain too

...ls who are exposed to addictive drugs ?some become addicted to the pleasures of the "high" the drugs cause, while others do not. "Variations in risk for drug abuse after initial exposures could be mediated by individual differences in the response of this neurotransmitter system to various forms of stress...

High-tech research shows cocaine changes proteins and brain function

... analysis of proteins in the brains of individuals addicted to cocaine, researchers have uncovered novel prote...elineate the biochemical changes that comprise the addicted brain," said Hemby, associate professor of physiology and pharmacology. The researchers compared t...

Mapping alcohol brain damage

...ited Kingdom colleagues to find out why people get addicted to alcohol -- with the long-term goal of producing a drug that could reduce alcohol dependence. ...

Grabbing addiction by the tail

...ery that is helping to reduce the drug cravings of addicted rats. One of the problems in addiction is that neu...ember 25, 2005, issue of the journal Science. In addicted rats, cell-to-cell communication is compromised as a result of certain long-term changes at the leve...

Bees, Brains and Addiction

...rtion of our brains that lead some of us to become addicted to tobacco, alcohol or other drugs. This region of the brain exerts such a powerful influence on the behavior of humans and other animals that a rat will work so tirelessly when it is rewarded with electrical stimulation to this region of the brain ...

Moffitt-USF head toward first human trials of anti-cancer drug that targets protein AKT

...ndant and/or abnormally active. "These tumors are addicted to hyperactive Akt and cannot survive without it," explains Saïd Sebti, Ph.D., Moffitt's Manuel and Adeline Garcia Professor, Leader of the Drug Discovery Program and Associate Director of Moffitt Research Institute. "What we discovered is a tailored...

VCU Researchers Identify Networks Of Genes Responding To Alcohol In The Brain

...rchers better understand how and why people become addicted to alcohol. In the March issue of the Journal of Neuroscience, researchers reported significant differences in the gene expression patterns regulated by alcohol in two mouse strains known as B6 and D2. The two mouse strains differ in a number of beh...

Drug That 'Tags' Decision-making Areas Of The Brain May Aid

... us the potential to study whysome people are more addicted to nicotine than others,?Mukherjee said.Additional information : Chattopadhyay S, Xue B, Collins D, Pichika R,Bagnera R, Leslie FM, Christian BT, Shi B, Narayanan TK, Potkin SG,Mukherjee J. Synthesisand Evaluation of Nicotine {alpha}4{beta}2 Receptor...

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