Researchers have found that 75% of all aortic aneurysms take place in the part of the aorta that is in the abdominal area. The exact cause of the aneurysms are unknown, but the studies states that smoking is a large factor.
Most forms of tobacco use including smoking are the most significant factors in causing aortic aneurysms. Smoking also plays a large part in heart conditions such as high blood pressure, atherosclerosis smoking also causes heart aneurysms to grow at an accelerated pace.

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