HIV's deep pocket may reveal vulnerability
...ractive target because the proteindoes not seem to vary much between strains of HIV. If there is strongevolutionary pressure for the virus to conserve the gp41 protein, Harrison said,then it might be reasonable to presume that it won't be a hotspot for drugresistance. To attack gp41, the team turned to W...New nasal obstruction procedure offers cheaper, pain-free alternative to surgery
... - is not covered by medical insurance.While costs vary around the country, the first treatment at UNC is $1,400,Yarbrough said. Subsequent treatments are $500, and the average number oftreatments for his patients has been two. "We say a patient is cured when thesnoring is reduced to a level the patient's...New model suggests that AIDS drugs may not abolish HIV infection
... treatment drives HIV down to stable levels, which vary with theefficacy of the drug regimen. One implication of the new model could be a morefavorable interpretation of some treatment outcomes once described as failures,according to a report in the October issue of Nature Medicine. "Our interpretation i...Vegans likely short on calcium, experts say
...amount of calcium can be complex. Not only dofoods vary greatly in the amount of calcium they contain, but also the bodyabsorbs the calcium in different foods differently. For example, the vitamin Din milk aids in calcium absorption, but spinach, which is high in calcium, alsocontains oxalic acid, which b...New DNA chip method could improve cancer diagnosis
... disease because chemotherapy regimens for the two vary considerably. And,although the distinctions between AML and ALL are well established, no singletest is currently sufficient to establish the diagnosis, researchers say. Current clinical practice involves a battery of tests, each performed in asepara...Teasing out the early steps of neurodegeneration
... degeneration in specific groups of neurons, which vary from one disease to the next. Patients with SCA1 suffer the worst damage in their cerebellar Purkinje cells, and consequently lose their balance and motor coordination. Loss of muscle control worsens steadily until patients are no longer able to eat ...Psychologist finds low-cost methods to prevent pharmacy mistakes
...ignificantly, Grasha found that the results didn't vary much from the simulation environment to real-life. "The pattern of mistakes we're getting and the percentage of mistakes we get seem to match nicely with what we're getting in a real pharmacy. The lab has been very successful in mimicking what happe...ACP-ASIM issues guidelines for precribing antidepressant drugs
... The amounts of active St. John's wort ingredients vary in these supplements, and the pills often contain additional substances. Studies show that St. John's wort is better than placebo (a fake pill), but there are no good studies comparing St. John's wort directly with antidepressant drugs. Finally, St. ......ricin in the plant - although usually labeled can vary from plant to plant, manufacturer to manufacturer, bottle to bottle and pill to pill. Thus Sirvent and Gibson are trying to determine how much of a role pre-harvest factors play in chemical differences. They are examining factors such as light, moi...Major new study finds long-acting calcium channel blockers inferior to other antihypertensive drugs
...despite having equal effect on blood pressure, may vary in their ability to prevent heart attacks and congestive heart failure, said Curt D. Furberg, M.D., Ph.D., professor of public health sciences at Wake Forest University School of Medicine and a co-researcher of the study. "The overuse of these less ...Fine-tuning naltrexone treatment for alcoholics
... opioid receptor blockade by naltrexone. This may vary among individual patients as a function of possible genetic differences, effects of chronic alcohol consumption, and differences in naltrexone blood levels. We expect that those patients with greater receptor blockade will experience greater alcohol...Study published in JAMA supports an alternative treatment approach in Parkinson's disease
...ion, shuffling gait and loss of facial expression, vary from patient to patient. Levodopa has been available for the last 30 years and is typically the medication most often prescribed. Over time the effect of levodopa may become shorter and fluctuations in the motor symptoms appear during the day leadi...There are a few 'safe' days in menstrual cycle
...e receptivity of the uterus and other factors that vary widely among couples....Hand size counts in safe handgun use
...n and women in grip length and that handgun models vary significantly in trigger reach. However, as define...h. Although the .25-inch factor can be expected to vary with body size and gender, its variation should be small, and it should not affect trigger grip leng...Toward a better burger: "Where's the selenium?"
...irement, Finley said. He added that concentrations vary widely from one geographical area to another. But the researchers warned that confirmation of specific health benefits from selenium-rich beef will depend on further experimentation and require complete and accurate determination of the precise chem...Not all allergy tests are created equal, study suggests
... blood tests for allergies can vary widely depending on which laboratory does the actual testing - and which laboratory procedure is used, a new study suggests. This means that many people who are tested for allergies using ...Smoking prevention programs may miss minority teens
...of smoking prevalence. However, if peer influences vary across ethnic groups, these prevention programs may not be equally effective across ethnic groups," the researchers said. The study will be published in the May 2001 issue of Nicotine & Tobacco Research. It was funded in part by a grant from the Ca...Partner's presence associated with lower blood pressure
...archers found that subjects blood pressure did not vary greatly among different social situations, only on the order of 1 to 1.5 mm Hg, but the changes were consistent and statistically significant. On a population-wide basis, these small effects may have substantial impact, they say. "Given that most i...Feeling of hopelessness increases risk of dying
...and psychotherapy. The effects of hopelessness may vary among individuals depending on factors such as cultural background, childhood experiences, economic security and whether hopeless individuals also are experiencing depression, according to the study. More research is also needed on the exact mecha......sociated with the illness. The causes of PTSD may vary to some degree between military and civilian people, but the debilitating effects are often the same, so both populations can benefit from similar treatments, according to Schnurr, Friedman and Engel....