Tag: "opposite" at medical news

Cocaine acts on central nervous system, causing vessel constriction, rapid heartbeat

...sing nerveendings. The results in both groups were opposite those found in the tests onanesthetized rats. This gives scientists another pathway to use in searching for treatmentsof cocaine overdoses. Approximately 30 million Americans have tried cocaine, and about 5million to 6 million are habi...

Vitamin A compound may help protect younger women against breast and ovarian cancers

... 100 women will develop a second malignancy in the opposite breast and two to three women will have a second cancer in the same breast," said Dr. Veronesi. "We knew if we could reduce the survivors' risk of another cancer with fenretinide, the drug could then be tested in healthy women at increased risk of br...

Behavioral sensitization: A new perspective on alcoholism

...l sensitization." Behavioral sensitization is the opposite of tolerance; it is even known as "reverse tolerance." A neurochemical called MK-801 may block alcohol's sensitizing effects. One of the ways by which people are believed to develop alcoholism is called "behavioral sensitization" to the effects of...

The gender effect: fatherhood spurs men to work longer hours -- especially if it's a boy!

... become parents. The UW researchers documented the opposite effect of parenthood on men's earnings a "fatherhood premium" that raised men's hourly wages by about 4.5 percent every time they fathered a child. But when Lundberg and co-author Elaina Rose, an assistant professor of economics, also reviewed the ...

Antidepressants impair cognitive function in the elderly

...cognitive function. However, this study showed the opposite result. In addition, these drugs are also already associated with a number of negative side effects such as adverse drug reactions, and falls in the elderly," explains Cheryl Dellasega, Ph.D., associate professor of general internal medicine at Penn ...

Gender differences in private substance abuse treatment retention

...he other hand, dropping out was linked to just the opposite of these predictors, such as being younger, no employer pressure, and no abstention goal." Finney noted that the study addresses several important issues. "First," he said, " it conveys the fact that many individuals drop out of substance abuse trea...

Finding sobriety, and saving money, through spirituality

...h, such as cognitive-behavioral treatment. On the opposite end are "faith-based" initiatives such as Alcoholics Anonymous (AA) and Narcotics Anonymous (NA). A study in the May issue of Alcoholism: Clinical & Experimental Research evaluates the post-discharge health-care utilization and associated costs of...

Children lead the way when it comes to asthma management

...health behavior. This study, however, examines the opposite question: to what extent do children initiate health communications with parents, and do these communications affect parents health behavior in managing the childrens illness? the investigators say. The study showed that mothers of the children in th...

University of Pittsburgh research uncovers new mechanism that may be the cause of mild cognitive impairment

...the early stages of AD. The results are almost the opposite of what most researchers believed that a decrease in ChAT levels causes MCI the theory behind todays most popular Alzheimers treatments, which include drugs meant to boost levels of the enzymes product, the neurotransmitter acetylcholine (ACh). Bec...

Dartmouth research examines the value of cancer screening

... 12 trials, the two mortality end points suggested opposite effects of screening. The researchers attributed these discrepancies to the two forms of bias that affect cause of death classifications. In one form, called sticky-diagnosis bias, deaths from other causes in the screened group are falsely attributed...

Misclassification of death may influence perceived value of cancer screening

... 12 trials, the two mortality end points suggested opposite effects of screening. The authors attributed these discrepancies to two forms of bias that affect the classification of the cause of death. In one form of bias, deaths from other causes in the screened group are falsely attributed to the target canc...

Studies suggest new headache treatment is more effective than medication

...tender (39 of 40) respectively, than it was on the opposite side, as well as directly proportional to symptom severity. Tenderness and elevated temperature are signs of inflammation. In the Emergency Department and Imitrex studies, a device called the Intra-Oral Vasoconstriction device (IVC) was used to chi...

First IBIS results show tamoxifen reduces breast cancer in healthy high-risk women

... at high risk of developing a second cancer in the opposite breast, were also reviewed.IBIS lead investigator ...eduction in the incidence of second cancers in the opposite breast. The reduction in incidence of breast cancer in IBIS was found only in oestrogen receptor pos...

Devices that emit sounds to track medical status or pinpoint military targets may cause mistakes

...verall change as greater than when they changed in opposite directions. Also, sounds that increased in loudness were perceived to change more than those that decreased, despite the same amount of intensity change. Listeners also responded to a stock-trading display in which sound changes were said to track ...

Duke sports medicine helps keep Cincinnati Reds healthy

...ore frequently in those with less flexibility, the opposite occurred. "We found that the guys who tended to be hypermobile were injured more frequently than we expected," he explained. "The reason is probably a stability issue, so the key to our approach is designing a regimen with the right balance of stabi...

Young adults dont heed warning message of heart attack or stroke in family

...picture of observed risk-factor change was slanted opposite to the hypothesized direction, Kip reports. His team found that those young adults whose family histories indicated an increased risk for themselves are most likely to experience undesirable decreases in their blood HDL cholesterol levels and worseni...

Triggers for sudden cardiac death differ by gender

...arrest than physical exertion for women, while the opposite is true for men, according to a study presented today at the American Heart Associations Asia Pacific Scientific Forum. The factors that cause sudden cardiac arrest are hard to pin down, but our study shows that men and women may have different trigg...

Early intercourse and self-esteem linked in adolescent behavior

...he April 2002 issue of Pediatrics. Self-esteem had opposite effects on young girls and young boys. Young girls...ers with low self-esteem. High self-esteem had the opposite influence on girls, who reportedly were three times more likely to remain virgins than girls with lo...

Matching for liver transplants could prevent disease recurrence, says Pitt study

...ation, which has had tissue typers and surgeons on opposite sides of the issue for nearly two decades. According to the retrospective study of 3,261 patients who received liver transplants at the University of Pittsburgh, immune system compatibility, or histocompatibility, between a donor and recipient not o...

Physics tip sheet #11 - May 1, 2002

...er, it is possible for some systems to move in the opposite direction to which they are pushed. In the past, these systems have been asymmetric and the effect only works for forces in some directions. In other cases, the negative mobility is due to quantum mechanics or collective effects. A new analysis shows...

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