What is a heart attack?
A sudden and sometimes fatal occurrence of coronary thrombosis, typically resulting in the death of part of a heart muscle. ~ Oxford dictionary
The heart muscle requires oxygen to survive. When oxygenated blood flow to the heart muscle is cut off or severely reduced a heart attack occurs. Blood flow can be cut off or severely reduced by the build-up of arterial plaque. This build up eventually causes arteries to narrow and potentially close completely. This is a slow process known as atherosclerosis.
As plaque builds up it can eventually rupture or break open inside the artery, causing a blood clot to form. If the blood clot becomes large enough, it can reduce or completely block the flow of oxygen rich blood to the heart muscle.
Ischemia is when the heart becomes deprived of needed oxygen and nutrients. If blood flow to the heart is not quickly restored, ischemia will damage or cause the death of part of the heart muscle. This is a heart attack and the healthy heart muscle tissue becomes replaced with scar tissue.
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Is Your Calcium Supplement Increasing Your Heart Attack Risk?
Milk is good for the bones – right? Because milk is a good source of calcium and calcium promotes bone strength. Which means you may think a calcium supplement is an even better way to protect your bones – right?
A new report in the journal Heart, has determined calcium supplements are putting people at greater risk for heart attacks.
Researchers followed 23,980 individuals ranging in age from 35 to 64 years-old over an 11 year period. They saw an 86% increased risk of heart attack for those regularly supplementing calcium. Participants supplementing calcium only were twice as likely to have a heart attack compared to those not taking any vitamin supplements.
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