How safe are Statins?
Posted on 01. Nov, 2009 by Guy in Nutrition & Lifestyle
If you have been told that you have high cholesterol levels, chances are your doctor has already talked to you about the cholesterol-lowering drugs called “statins.” Statins are one of the most frequently prescribed drug classes in the world – over 2.5 million people in the U.K. alone are currently taking them.
Doctors like statins because they reduce cholesterol levels in your blood – and they work quickly and easily. But, as they say, there’s no such thing as a free lunch. Yes, statins reduce cholesterol levels – but at what cost to other functions in your body?
Certainly, they are expensive in monetary terms, and they continue to make big pharma companies lots of it – but I’m really talking about the physical toll these drugs can take on the body. We know some of the obvious side effects they cause in some people, like memory problems, muscle damage, liver damage, sexual dysfunction, and peripheral neuropathy. But now a new study shows that statins can also have more subtle effects on the body – ones that can trigger a whole cascade of health problems down the road.
Do statins’ results justify their collateral damage?
In this Finnish study, doctors researched the effects of the statin drug simvastatin (Zocor) and dietary changes on 120 men between the ages of 35 and 64. All of the men had high cholesterol (fasting serum concentrations between 232 and 309) that had previously been untreated. The men were randomly divided into two equal groups: one group was advised to continue following their usual diet, while the other group was advised to follow a Mediterranean-style diet. Specifically, the dietary intervention included keeping saturated fat intake below 10 percent of total calories, cholesterol intake below 250 mg a day, and increasing the intake of omega-3 fatty acids, fruits, vegetables, and soluble fiber.
Then each group was further divided into two subgroups that took either 20 mg of simvastatin each day or a placebo. They followed this protocol for 12 weeks, and then each subgroup “crossed over” to the other treatment. At baseline and at the end of each 12-week treatment period, the researchers assessed each participant’s blood pressure, weight, and exercise frequency, as well as blood levels of cholesterol, insulin, and antioxidants.
There’s no denying that simvastatin was effective at reducing cholesterol levels. On average, the drug brought total cholesterol levels down 20.8 percent. In contrast, dietary intervention alone decreased total cholesterol by only 7.6 percent.
Statin drug’s surprising side effects lead down a dangerous road.
But here’s a revealing finding: simvastatin treatment also INCREASED fasting serum insulin levels by 13 percent, and DECREASED serum concentrations of important antioxidant vitamins by as much as 22 percent.
Among participants in the dietary intervention group, blood tests revealed significantly lower serum levels of critical nutrients like alpha-tocopherol, beta-carotene, and co-enzyme Q-10 while taking the statin drug, compared to the period when they took the placebo. At the same time, glucose levels were not affected, suggesting a decrease in insulin sensitivity.
We know that decreased insulin sensitivity leads us down a dangerous road: insulin resistance, which leads to Type II diabetes, and finally all the disease’s associated conditions like kidney disease, heart disease, even blindness.
But not getting the antioxidants you need could be equally troubling. We’ve learned so much over the past decade about antioxidants’ critical role in good health; these nutrients help protect us from atherosclerosis, Alzheimer’s disease – even cancer.
You could argue that statin drugs protect us, too – by reducing cholesterol levels and reducing the risk of heart disease. But it seems like a case of robbing Peter to pay Paul.
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Ok, so your cholesterol level comes down – but your insulin levels could go up and your body could be robbed of essential nutrients. Considering all of that, is the net effect of statins positive, negative – or just a very expensive wash?
You have to make that decision for yourself, after weighing the options with your doctor. But consider that there are safe, natural ways to lower your cholesterol WITHOUT running the risk of insulin resistance, nutrient loss, or other dangerous side effects.
If you have high cholesterol, give diet, exercise, and natural remedies a try before resorting to statins. You may have to be a little more patient; you may not see results as quickly and dramatically as you might by taking the drugs. But in the end, you’ll know for sure that you’re netting positive results for your heart – and for your overall health.
“The potential adverse effects of the entire class of these widely used drugs are particularly worrying considering that the new guidelines for treating high cholesterol, recently published by the US National Cholesterol Education Program, recommend treatment with cholesterol lowering drugs for a considerable portion of mankind,” states Uffe Ravnskov, MD, author of The Cholesterol Myths (New Trends, 2000).
However, there is currently no indication that the US Food and Drug Administration (FDA) will be following Europe’s lead and look into the safety of the entire Statin class, despite the fact that they have been petitioned to do so by the consumer advocacy organization Public Citizen, among others.
“These drugs may cause muscle damage by interfering with the body”s production and metabolism of Coenzyme Q10 (ubiquinone),” says Stephen Byrnes, PhD, author of Diet & Heart Disease : It’s Not What You Think (Whitman, 2001). “This substance is crucial for the proper functioning of muscle tissue, which includes the heart.”
The statins that are most commonly available are Lipitor (atorvastatin), Zocor (simvastatin), Pravachol (pravastatin), Mevacor (lovastatin), and Lescol (fluvastatin). Have a think before you pop the pill, speak with your doctor & try natural methods first.
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