Antioxidant may have adverse effects in head and neck cancer patients
...tocopherol supplements for cancer prevention," the authors write. In an editorial, Edward S. Kim, M.D., and Waun Ki Hong, M.D., of the University of Texas M. D. Anderson Cancer Center in Houston, review the current state of the use of antioxidants for cancer chemoprevention. "The field of chemoprevention sti...Maternal iron deficiency disrupts mother/child interaction
... Deficiency Impacts Mother-Child Interaction." The authors are Murray-Kolb; Dr. John L. Beard, professor of nutritional sciences; Dr. Rick O. Gilmore, associate professor of psychology; Dr. Douglas Teti, professor of human development and family studies; and Dr. Eva Perez and Dr. Michael Hendricks, physician...Studies examine menopausal hormone therapy and risk of breast cancer recurrence
... use and the risk of breast cancer recurrence. The authors suggest that differences in the composition and ti...cancer remains an important unsolved problem," the authors write. "Because doses of estrogen and progestogen and treatment regimens may be associated with the ...Less cognitive impairment seen in women taking drug for osteoporosis
...some tissues and as an antiestrogen in others. The authors were unable from this study to determine the mechanism of action responsible for their finding, and whether the effect was due to the drug acting like an estrogen or an antiestrogen in the brain. However, they wrote, given that other studies have sho...Risk of HIV transmission highest in early stage of infection
...tes for heterosexual vaginal intercourse only, the authors noted, and cannot be applied to HIV transmission via anal intercourse or injection drug use, since neither behavior was reported by study participants. In addition to early or late infection, other factors associated with increased transmission from ...Vaccine against cervical cancer and genital warts shows promise
...ere no vaccine related serious adverse events. The authors suggest that universal HPV vaccination might be most effective if implemented in 10-13 year olds, who are likely to be HPV negative. Large-scale trials of the vaccine are currently underway. Dr Villa comments: "In the developed world, full implementa...Asthmatics naturally deficient in antiviral immunity, report scientists
...he University of Southampton and one of the report authors adds: "We are all very excited about this discovery because it identifies a new way of treating and preventing bad attacks of asthma associated with the common cold.'" The team examined the interferon responses of cells taken from the lungs of health...A possible new phase for rheumatoid arthritis treatment
...microenvironment required for chronic disease. The authors propose that there is now a strong biological rationale for testing the effects of potent anti-inflammatory therapies during the first few months of clinically apparent disease. "The pathologically distinct nature of the very early phase of clinicall...Vigorously active adolescents are leaner, fitter
...hould encourage vigorous physical activity," study authors write. However, to help ensure success, obese, unfit children should start with moderate physical activity and an improved diet, then progress to more vigorous activity as they become leaner and fitter. Researchers noted that children who inherit a ...People with peanut allergy at risk of allergic reaction to lupin flour
...er of these are finding their way into the UK. The authors suggest that people with a peanut allergy should a...tually identified as the cause of her attack. The authors note that the prevalence of lupin allergy has increased markedly in some countries, especially Franc...Post-traumatic stress disorder common among refugees in western countries
... have post-traumatic stress disorder. However, the authors note that despite focusing on the larger and more rigorous surveys available there was substantial variability in the results of the studies. Dr Fazel states: "Our overall estimates will need to be used judiciously, in view of the fact that it is dif...Unchaperoned examinations risk misconduct allegations
...eneral practitioners had a chaperoning policy. The authors carried out a survey on patients' preferences for chaperones at genitourinary medicine (GUM) clinics, where intimate examinations are routine. A total of 252 patients took part in the survey during June and December 2003. Ninety two percent (232) wer...Certain weight control behaviors may precipitate obesity among adolescent girls
...ore likely to become obese. On the other hand, the authors found that eating high fat foods, binge eating or infrequent exercise were not as much linked to predicting future obesity as one might expect. But other weight-control behaviors, especially those that involved vomiting or laxative abuse, promoted we...In years preceding medicare eligibility, many older adults at risk of being uninsured
...the years preceding eligibility for Medicare," the authors write. "There is now substantial evidence that uninsured adults in their preretirement years are at greatly increased risk for adverse health outcomes, and urgent policy measures are needed to expand coverage for this group."...Controversy in dyslipidemia guidelines
...eagues in a commentary in this issue of CMAJ. The authors argue that the current guidelines may lead to more people who are at low risk of coronary artery disease being screened and prescribed statin therapy, which will increase cost for little overall benefit. Jacques Genest and colleagues, members of the...New recommendation encourages more activist approach to lung cancer screening
...e surgical removal of the tumor. In addition, the authors noted that innovations in imaging technologies in the past decade, such as CT scanning and more advanced chest X-rays (which utilize such methods as digital radiography and computer-aided detection) provide the opportunity to detect smaller lung canc...Aboriginal Canadians at high risk for severe trauma
...d traumatic suicide (RR 3.1, 95% CI 1.4-6.1). The authors also report that the main cause of trauma resulting in severe injuries and death among Aboriginal Canadians was motor vehicle crashes. Also, Aboriginal Canadians had a 10-fold greater risk of injury secondary to assault and a 3-fold greater risk of t...Location of body fat associated with cardiovascular risk even at normal body weight
...larly in those who are of normal body weight," the authors write. "This suggests that practitioners should not discount the risk of metabolic syndrome in their older patients entirely on the basis of body weight or BMI. Indeed, generalized body composition, in terms of both BMI and the proportion of body fat...Restless legs syndrome has complex genetic involvement
... loci involved in this common sleep disorder," the authors conclude. "Furthermore, our findings illustrate that extensive characterization of subclinical differences represents a major tool in the identification of susceptibility loci for complex diseases Although the background of RLS is most likely comple......be sustained after treatment is discontinued," the authors write. "Therefore, a conclusion regarding the long-term benefit of treatment and the development of treatment recommendations for amblyopia in children seven years and older will need to await the results of a follow-up study we are conducting on the...