Statins stimulate atherosclerosis and heart failure

February 25, 2015 by · Leave a Comment
Filed under: Research, Spinewave Bulletin 


A new study published in Expert Review of Clinical Pharmacology suggests that statins, or cholesterol lowering drugs, may have the opposite effect of their intended use.

Statins may cause calcification of arteries of the heart by impairing the way “power houses” of heart muscle cells, called mitochondria, work. Coenzyme Q10 is depleted, enabling free radical production, leading to oxidative stress that calcifies arteries.

In contrast to the current belief that cholesterol reduction with statins decreases atherosclerosis (fatty deposits in arteries), this study presents a perspective that statins may be causative in coronary artery calcification and can function as mitochondrial toxins that impair muscle function in the heart and blood vessels through the depletion of coenzyme Q10 and “heme A”, and thereby ATP generation.

Statins inhibit the synthesis of vitamin K2, the cofactor for matrix Gla-protein activation, which in turn protects arteries from calcification. Statins inhibit the biosynthesis of selenium containing proteins, one of which is glutathione peroxidase serving to suppress peroxidative stress. An impairment of selenoprotein biosynthesis may be a factor in congestive heart failure, reminiscent of the dilated cardiomyopathies seen with selenium deficiency.

The epidemic of heart failure and atherosclerosis that plagues the modern world may paradoxically be aggravated by the pervasive use of statin drugs. This study proposes that current statin treatment guidelines be critically reevaluated.


Okuyama, H., et al. Statins stimulate atherosclerosis and heart failure: pharmacological mechanisms. Expert Review of Clinical Pharmacology. 2015 Vol 8(2): 189-199.

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Smoking thins a vital part of your brain

February 18, 2015 by · Leave a Comment
Filed under: Research, Spinewave Bulletin 

The region of the brain that controls language and memory is thinner in smokers than the rest of the population, research has found.


Cigarettes may be damaging our brains as well as our lungs and cardiovascular systems, a new study suggests.

An analysis of 504 people has revealed that the cortex of a smoker’s brain is thinner than the same region in a non smoker – as you can see in the image above, where yellow represents a large difference between thickness, and the colour gets darker orange as the gap decreases. That’s not great, because the cortex is pretty important. It’s the outer layer of the brain; involved in vital functions like memory, language and perception. Previous studies have shown that a thinner brain cortex is associated with cognitive decline in adults.


However, it’s not all bad news. The study also found that quitting starts to partially, but very slowly, reverse the cortex damage. Read more

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