Natural mentors help mold lives of teens, study says
..., as well as a lower level of risk taking; higher levels of self-esteem and life satisfaction; a greater level of physical activity, as well as regular use of birth control. However, there was no evidence that natural mentors have an impact on other outcomes, including binge drinking, drug use and smoking...Archival virus still necessitates life-long antiretroviral therapy
...rapies effectively reduce the replicating virus to levels undetectable by standard clinical techniques. Acc...published data by the Hopkins team on blips in HIV levels concludes that this archival virus is not mutating to become drug-resistant....Major review of subway systems suggests potential for significant health and safety hazards
... a potential for concern. They found that current levels are as high as they were in the 1970s, and in some cases, the levels were higher than recommended by health experts. She notes, "While many riders try and deal with the...Cellular porthole connects odors to brain
...als to the brain, they did not know how cells keep levels of chloride high inside of the cells. Now Hopkins researchers have shown that these high chloride levels in odor-detecting cells depend on the same transporter, known as NKCC1, used in many other types of ...When the brain, not the ears, goes hard of hearing
...more than 22,000 genes in mice, comparing activity levels of genes in young mice and their older counterparts. While dozens of genes in humans and mice are known to contribute to congenital deafness, none has been linked to age-related hearing loss in humans. The latest studies offer several promising leads...NYU Child Study Center receives grant from the American Red Cross September 11 recovery program
... are participating in the program are experiencing levels of distress two times higher than national norms." Cloitre added, "Studies show that symptom severity in children is strongly associated with maternal mental health problems. This September 11 recovery grant from the American Red Cross Liberty Disa...Scientists replicate hepatitis C virus in laboratory
...ture. Electron microscopy showed evidence of high levels of viral particles resembling fully-formed HCV outside of the human liver cells in the culture medium. The researchers believe that the HCV construct contained within the human liver cells behaved like a true HCV infection by producing fully formed ...Diagnosis of prions in patients should utilize novel strategy, team says
... in the food supply. In addition, because even low levels of prions are extremely resistant to inactivation, they may contaminate the environment for many years. Prusiner won the 1997 Nobel Prize in Physiology or Medicine for discovering that a class of neurodegenerative diseases known as spongiform encepha...Slow growth in infancy signals poor economic prospects in adulthood
...ers linked these measurements to their educational levels and information on income and occupation, taken fr...who grew slowly as infants tended to achieve lower levels of education than those who grew more quickly, prompting the authors to wonder if slow physical grow...Hard choices: Pitt researcher presents findings on when to accept organ transplants
...rch," said Schaefer. "We are actually tracking the levels of various laboratory values in the patient's blood." Their next step is to make the model better represent both the biology and the quality of life of organ recipients. In addition to their work on organ transplantation, Schaefer, Roberts, and seve...Diabetes a bigger heart disease risk for women than for men
...aps better monitoring and control of blood glucose levels in women with diabetes would reduce their CHD risk compared with men with diabetes, Woodward said. "There is some evidence to suggest that people with diabetes benefit from treatment with aspirin, cholesterol-lowering drugs and blood pressure-loweri...Culture-specific exercise sparks interest of older women
...Also, 44 percent of the women had high cholesterol levels and 26 percent had been diagnosed with diabetes. "The amount of high blood pressure was surprising," said Taylor-Piliae. "We had never encountered this before." The Tai Chi program includes weight shifting between right and left legs, knee flexion, ...Lead in the environment causes violent crime, reports University of Pittsburgh researcher at AAAS
...ucts. Such measures have resulted in sharply lower levels of lead in children born today, compared to those ...edleman's latest research shows that even very low levels of lead found in bone, as measured by a technique called X-ray fluorescence, can affect brain develo...Heart attack treatment gap may be closing for women
...n, it's not clear whether only those with high LDL levels should be treated. "We need to look at the specific guidelines on who needs to receive statins because lowering LDL is beneficial and statins have additional anti-inflammatory effect," she said. "The guidelines recommend a lipid-lowering agent with ...Americans support most uses of reproductive genetic testing, report on US attitudes reveals
...ene mutation to transfer to a woman's uterus. High levels of support for this application are shared across ...men and different racial and ethnic groups; lowest levels of support (49 percent) are found among fundamentalist and evangelical Christians. Perhaps surprisin...Component of green tea protects injured livers in mice
... a technique to measure fatty acids and found that levels of palmitic and linoleic acid, two fatty acids that are present in large amounts in fatty livers, decreased significantly in EGCG treated mice. Further tests revealed an increase in hepatic energy stores (one of the liver's functions is to store ener...Biochemical marker aids prognosis in liver transplant patients
...del for End-Stage Liver Disease (MELD), which uses levels of three biochemical markers (serum bilirubin, serum creatinine, and prothrombin time expressed as INR) to predict three-month mortality in patients with cirrhosis of the liver listed for transplantation. The current study examined whether factoring ...'Marital strain' increases women's risk of death, heart disease
...ity. Previous studies have shown a link between levels of marital strain and the health of people with heart disease. However, few studies have looked into the effects of marital strain on contributing to heart disease or death from any cause, said Elaine D. Eaker, Sc.D., president of Eaker Epidemiology...Young blood revives aging muscles, Stanford researchers find
...mage. Older muscles maintained the same pre-injury levels of Delta even after muscle damage. However, in the...er partners ramped up Delta production to youthful levels after an injury. The group confirmed their results by putting satellite cells from old and young mic...Changing chemistry helps explain estrogen threat to the heart
...oked further and found that normal aging decreases levels of the cofactors L-arginine and tetrahydrobiopterin both critical to nitric oxide synthase's production of nitric oxide. Instead of making nitric oxide, estrogen was producing the powerful age-promoting and apparently vasoconstricting oxygen-free ...