Tag: "anxiety" at biology news
Spontaneous mutation produces new MAO A/B knockout mouse
... of these neurotransmitters and their receptors in anxiety
and stress-related disorders. The research appears...y and body weights are smaller. The mice also show anxiety
and aggressive behavior, especially under stress." Looking further into the matter, Dr. Shih deter...
The search for a kinder, gentler chemotherapy
... healthy cells alike. Nausea, vomiting, hair loss, anxiety
and a reduction in red blood cells are just some of the side effects that can occur with chemotherapy. "If there's a way to specifically target medicine to the site of disease, that makes this potential treatment all the more effective because then p...
Computer scientists at UH developing 'nurturing' computers
...th symptoms on a continuous basis. "An increased anxiety
level, for instance, is indicated when we detect p...e, such as heartbeat irregularities, headaches and anxiety
disorders, often manifest themselves intermittently for short intervals in a random manner, involvin...
Study shows impact of emotionally healthy fathers when mothers' poor mental health affects children
...ous adult mental illness, including depression and anxiety
disorders. Parents with scores in the upper 25 percent were considered to be in poorer mental health. The researchers also found that when a mother and father have poor mental health, the influence on a child's behavioral problems is particularly st...
Study: Mothers turn fearless when peptide level drops
... "We've known for a long time that fear and anxiety
decrease with lactation," explains Gammie. "Maybe it's this decrease that allows mothers to attack during a situation that normally would evoke a fear response." Testing this hypothesis, the Wisconsin professor and his colleagues studied the...
Virtual counselor supplements traditional genetic counseling
...tive than the computer program at reducing women's anxiety
and helping them to more clearly understand their risk, reported the study published today (July 28, 2004) in the Journal of the American Medical Association. "These results suggest that the computer program has the potential to stand alone a...
Anxiety during pregnancy affects child behavior
...ecided to investigate the affect of high levels of anxiety
during a woman's pregnancy on her child's suscepti... attention deficits, hyperactivity, acting out and anxiety
disorders in childhood. We also wanted to learn whether there are specific vulnerable periods during...
Early dexamethasone exposure has long-term neurodevelopment, neuroendocrine effects
...ng increased anxiousness in the light-dark test of anxiety
and, in response to a mild novelty stress, a blunted corticosterone response. However, the findings from this research could not establish if these alterations were permanent. A New Study A new study sought to test whether effects of neonatal dex...
Genetic basis for individual variations in the response to stress
...excess glucocorticoid exposure, including mood and anxiety
disorders, and cognitive impairment. Exposure to stress activates the hypothalamic-pituitary-adrenal (HPA) axis and the sympathetic adrenomedullary system, which are regulated by neuronal pathways, including the inhibitory GABAergic (gamma aminobutyr...
Synthetic hormone used in contraceptives and HRT produces negative effects in monkey studies
...eplacement therapy (HRT), increases aggression and anxiety
and reduces sexual activity in female monkeys, acc...oral fellow Karen Pazol, PhD, compared aggression, anxiety
and sexual behavior in six female pigtail macaques that received one week each of three different tr...
Gene linked to alcoholism
...t a deficiency in the CREB gene is associated with anxiety
and alcohol-drinking behaviors," said Subhash Pand...EB or of neuropeptide Y correlate with symptoms of anxiety
and excessive alcohol consumption, the scientists showed in a previous study. In the present study, ...
Many physicians misperceive radiation risks to developing fetuses from X-rays and CT scans
...portant to dispel because it can lead to increased anxiety
among pregnant women inadvertently exposed to diagnostic imaging and unnecessary terminations of otherwise wanted pregnancies. In addition, not having certain types of imaging performed could hinder diagnosis for some illnesses, delaying needed treat...
Ritalin may improve Parkinson's symptoms, OHSU study says
...ents such as twitching, nodding and jerking; mood, anxiety
and fatigue; and sitting blood pressure. Ritalin amplified the effects of levodopa, particularly for those given minimum doses of levodopa. It increased, from 36 percent to 86 percent, the number of patients responding to levodopa, and it boosted the...
Researchers substitute whole chromosomes to speed the search for genes in common diseases
...to cholesterol/lipid levels, diet-induced obesity, anxiety
and amino acids. By holding everything constant except one chromosome, the researchers could then ask if there were anything on that chromosome causing a change in the mouse. If something did change, it allowed the researchers to know that at least ...
UW study: Baby's face lights up emotional center of new mom's brain
...hology at UW-Madison. "We know that depression and anxiety
are not accompanied solely by an increase in negative emotions, but also by a decrease in positive ones," says Nitschke, lead author of the paper. "Yet we know much more about negative emotions than about positive emotions." Earlier studies have exam...
Genetics, alcohol sensitivity, and behavior
...d by alcohol, GABA is thought to contribute to the anxiety
reduction and relaxation many people experience from alcohol." Two of the symposium participants presented contradictory findings regarding the role of a polymorphism of the serotonin transporter gene, SLC6A4, in subjective response to alcohol and as...
UT Southwestern researchers study benefit of exercise, medication on depression
...essor of psychiatry and head of the depression and anxiety
disorders program at UT Southwestern. "While their symptoms are reduced, they seldom get to full remission." Preliminary results indicate positive responses from patients, said Dr. Trivedi, who received the NIMH grant after being awarded a $100,000 g...
Long-term effects of embryo culture on behavior studied
...offspring perform in behavioral assays that assess anxiety
and memory. The findings will be published in the Proceedings of the National Academy of Science, which is available online now. "Our results are not directly applicable to children conceived through assisted reproductive technology," said Richar...
Reward mechanism involved in addiction likely regulates pair bonds between monogamous animals
...lts in a deficit in social recognition and altered anxiety
in mice; Vasopressin and oxytocin play key roles in the formation of social attachments between animals. Increasing the amount of vasopressin receptors in the brain using gene transfer techniques can increase pair-bonding behavior in monogamous male ...
Other highlights in the January 21 issue of JNCI
...er genetics and does not have an adverse impact on anxiety
or distress of the patients being counseled, according to a systematic review. The identification of genes that are associated with a high risk of certain types of cancer has led to an increased demand for genetic counseling from individuals at incr...
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