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Abstinence in Biological News

Biologists find unusual plant gene: abstinence by mutual consent

... the journal Current Biology, has been named the abstinence by mutual consent mutation because of its unusual ... reside, kept growing past the eggs cells. The abstinence by mutual consent gene is the first gene ... to the egg cell, said Boisson-Dernier. The abstinence by mutual consent mutant pollen just acts as if ...

Your brain on -- and off -- caffeine

... drowsiness and decreased alertness. More specifically, acute caffeine abstinence increased brain blood flow, an effect that may account for commonly reported withdrawal headaches. Acute caffeine abstinence also produced changes in EEG (increased theta rhythm) that has previously ...

Vitamin D expert receives Linus Pauling Prize for Health Research

... vitamin D deficiency, a concern that's now seen as a national epidemic, and has been strongly criticized in the past 20 years when warning that abstinence from direct sun exposure through sunblock use was leading to increasing vitamin D deficiency with serious implications for cancer and other ....

Obese men have less semen, more sperm abnormalities, and should lose weight before trying for a baby

... account other characteristics that could confound the analysis, such as smoking, alcohol intake, age, social deprivation, and the length of time of abstinence from sex prior to producing a semen sample for analysis, they looked for a relationship between BMI and semen quality. The analysis showed that the ...

Cognitive, genetic clues identified in imaging study of alcohol addiction

... made decisions between immediate and delayed rewards. Boettiger recruited 24 subjects; 19 provided fMRI data, nine were recovering alcoholics in abstinence and 10 had no history of substance abuse. Another five were included in the genotyping analysis. At the fMRI research facility at the University ...

New genetic research into nicotine addiction shows promise for personalized treatment

... the National Institute of Health, found that 45% of individuals with a specific variant of the gene benefited from bupropion treatment and maintained abstinence longer while doing poorly on placebo, with a 32.5% abstinent rate vs. 14.3%, respectively. In contrast, the 55% with a different variant of the gene ...

Brains can recover from alcoholic damage but patients should stop drinking as soon as possible

... and function changed over six to seven weeks of abstinence from alcohol in 15 alcohol dependent patients ... message from this study is that, for alcoholics, abstinence pays off and enables the brain to regain some ... indicate that early brain recovery through abstinence does not simply reflect rehydration. Instead, the ...

Did 'ABCs' cause Uganda's fall in HIV rates?

... that in some parts of the world women are not empowered to insist on abstinence or fidelity, which leaves them at risk of infection. Nevertheless, ... Such campaigns, say Mihailovic and Olupot-Olupot, assume that abstinence will allow young women to focus on going to school, controlling their ...

Investigating 'brain shrinkage' in alcoholics

... he said, "these have been shown to grow and spread again after periods of abstinence ?weeks to months ?and have been accompanied by improved brain function. ... can show improvement." - Some alcoholics can achieve long-term abstinence in spite of persistent deficits in decision-making. "There is ...

Brain Scan Study of Smokers Reveals Signature of Craving

... found that smokers who report a greater urge to smoke after a period of abstinence also exhibit stronger brain activity after viewing smoking-related images, ... in attention, motivation and reward regions after a period of overnight abstinence from smoking and after smoking as usual. While their brains were scanned, ...

Researchers discover new route to hemoglobin synthesis

... aids and marijuana) during pregnancy. Researchers say two of the studies may have included identical patients. Newborns suffering from neonatal abstinence syndrome (NAS) exhibit seizures, poor feeding, diarrhea and vomiting that lead to excessive weight loss and dehydration, sleeping problems and fever. ...

Opiates Better Than Sedatives For Treating Newborns In Withdrawal

... aids and marijuana) during pregnancy. Researchers say two of the studies may have included identical patients. Newborns suffering from neonatal abstinence syndrome (NAS) exhibit seizures, poor feeding, diarrhea and vomiting that lead to excessive weight loss and dehydration, sleeping problems and fever. ...

Pregnant women at higher risk for HIV, Uganda study finds

... "We believe that it would be prudent to warn women of this potential risk of HIV acquisition during pregnancy and promote safe sex or sexual abstinence where feasible." The study supports the findings of two previous studies that reported a greater risk of acquiring HIV during pregnancy than after ...
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