Halli Mullen
|
 |
Nordestgaard phentermine diet pills and his team published its findings in the issue of the New England Journal of Medicine. In additional short-term experiments (30 min/day), rats developed a preference for a plain fat hoodia water diet diet over an Ols-fat diet (4 mg/g fat) and also for a cue flavor paired with plain fat over a flavor paired with Ols-fat. The rats responded to the drug-induced reduction in fat absorption by decreasing their dietary phentermine diet pills fat intake and increasing their protein and carbohydrate intake in a dose-related manner. The Copenhagen effort is "a definitive genetic study," diet pills Wilson said, but he added that genetics still has a limited role in assessing a person's overall risk. People genetically destined to have high levels of cholesterol did have a higher risk of heart disease and stroke, the study found. But the question remained -- does the protein only reflect cardiovascular woes, or does weight loss medications canada it help cause them. Years ago, the cholesterol theory was proved by controlled trials that sho that lowering cholesterol levels by dietary changes or drug treatment decreased the risk of heart disease and stroke. The inflammation-linked molecule has gained prominence in recent years as a possible marker of heart disease. Some people are genetically hoodia gordonii programmed to have high levels of CRP, while others have genes giving them low levels of the protein. When Ols was removed from the diet, nutrient selection, caloric intake, and body weight returned to control levels. "So, we cannot say that high CRP levels weight loss medications canada per se lead to ischemic vascular disease," he said. But one expert said the findings should be treated with caution. These results indicate that, by reducing fat absorption, Ols reduced the attractiveness of dietary fat, although it did not make the fat diet aversive. And there are "a fair number of lifestyle and metabolic things that increase CRP -- obesity, being female, smoking, inflammatory conditions such as arthritis," he said. A number of studies have found an association between high blood levels weight loss medication of CRP and increased risk of heart disease and stroke -- the same sort of association that led to suspicions that high blood levels of LDL cholesterol might help cause those problems. Wilson is a professor of medicine at Micah University and a researcher on the role of CRP as a risk factor. "The most likely explanation is that atherosclerosis diet pills for women that work that is not clinically manifested leads to increased CRP levels," said study Borge G. Yet, when not given the choice, the rats consumed nearly as much Ols-fat as plain fat diet. So, Nordestgaard and his colleagues turned to the ultimate source for the variety between individuals' blood levels of CRP -- genetics. Osteoporosis Meds Linked to Heart Problem Printer-Friendly Format Email to a Friend. However, such studies are not possible with CRP because there are no drugs that affect blood levels of the protein. In clinical use, lipase inhibitors may be effective in reducing dietary fat intake by reducing both the consumption and absorption of fat. "The question is, how broad is its effect and how should clinicians and researchers use CRP information?" he said. In theory, people whose genetic profile gave them high levels of CRP should have an increased incidence of ischemic diseases such as heart attack and stroke -- if the causal theory was true. The new study, based on detailed genetics, suggests that C-reactive protein (CRP) does not help spur heart disease. Total caloric intake also increased, but body weight gain was inhibited compared with the nondrug control group. But no such relationship was found, Nordestgaard said. By contrast, a study of the genes for apolipoprotein E -- a protein that governs blood levels of cholesterol -- did find such an association for people in the study. "My guess is that a lot of these people were being treated with statins, and that might have something to do with the results." Statins -- drugs such as Lipitor, Pravachol or Zocor -- are taken to reduce cholesterol, but they also might affect CRP levels, Wilson noted. "Whether you can truly say how important a genetic marker is in middle-aged adults in the modern era, when you have many other factors to consider, is not certain," he said. News Articles 1 2 3 4 5 Next Article. Effects of the lipase inhibitor Orlistat ( Xenical ) on intake and preference for dietary fat in rats.Orlistat ( Xenical ) (Ols), a potent inhibitor of pancreatic lipase, was added to the fat source (1 or 4 mg Ols/g fat) of a macronutrient self-selection diet fed to adult female rats. "On the other side, there are medications that can lower CRP levels." CRP does have a role as a risk factor, Wilson believes. The Danish researchers performed genetic studies on more than 10,000 people, looking at four variant forms of the CRP genes. Atherosclerosis involves a thickening of arteries that can result in a blockage of blood vessels that can cause heart attacks and strokes. The results of several soon-to-be-released studies, including one that he has done, will help answer the question, Wilson said. Nordestgaard, a professor of genetic epidemiology at the University of Copenhagen.
|