Cigarette smoking lowers HDL ("good") cholesterol. It also injures the
lining of the blood vessels and increases the risk of developing blood clots,
which contributes to atherosclerosis (hardening of the arteries). Even inhaling
others' cigarette smoke (secondhand smoke) has been shown to lower HDL
Studies have shown that HDL levels often go up soon
after a person quits smoking. For information on how to quit, see the topic
ByHealthwise Staff Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine Specialist Medical ReviewerCarl Orringer, MD - Cardiology, Clinical Lipidology
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