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'Good' cholesterol may not actually be that good

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Written by Alex Crees

A new study finds ‘good’ cholesterol may not be as good for you as previously thought.

Up until now, doctors have believed HDL cholesterol, long considered the healthy type of cholesterol, could potentially protect a person from coronary heart disease. However, a study published Wednesday in The Lancet has found that raising levels of HDL cholesterol may not have any effect on heart disease risk after all.

"It's been assumed that if a patient, or group of patients, did something to cause their HDL levels to go up, then you can safely assume that their risk of heart attack will go down," said senior author Sekar Kathiresan, director of preventive cardiology at MGH and associate professor of medicine at Harvard Medical School, in a press release. "This work fundamentally questions that."

Using databases of genetic information, the researchers found people who were genetically predisposed to have higher levels of HDL cholesterol had no difference in heart disease risk than those who were not predisposed.

In addition, the researchers said, because there are no currently no drugs available on the market that elevate HDL levels specifically, it has been difficult to prove this type of treatment could actually lower a person's risk of having a heart attack.

“This is an interesting study because we’ve long held that HDL cholesterol and protective from epidemiological studies – and this is looking at if this has been the right course of thought,” Dr. Nieca Goldberg, a cardiologist and medical director of the Joan Tisch Center for Women's Health at the NYU Langone Medical Center, told FoxNews.com.

Goldberg, who was not involved in the study, said the results called for further research into why other studies have found conflicting results in the past.

“Is it because having low HDL is associated with other risk factors like obesity and high triglyceride levels?” Goldberg said. “The other issue [raised in the study] is we don’t have any research evidence to support giving medication to raise HDL cholesterol levels.”

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Glad we are learning more and more on all of these subjects. Can only give the pharmaceuticals a better understanding of how to deliver medicines. Was reading the abstract for this reseacrh and it is very interesting.

Marielaina Perrone DDS
Henderson All on 4 Dental Implants

October 17, 2012 - 11:18am
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