cigarette smoking can deprive the brain of oxygen How harms and effects Have you heard that nicotine
Have you heard that nicotine can affect how the skin heals? Nicotine causes vasoconstriction, which reduces blood flow and oxygen delivery to the skin. That reduced supply can slow wound healing, impair Breathe Easier: A Physician's Guide to Quitting Smoking: The Beverly Hills Lung and Sleep Institute: Pulmonary, Critical Care & Sleep Medicine Specialists Smoking harms brain health, regardless of other health conditions American Heart Association Nicotine addiction starts fast. When someone smokes a cigarette, nicotine goes into the lungs and quickly enters the bloodstream. It reaches the brain in just 720 seconds. Once there, it releases dopamine Smoking may spark lung to brain reaction tied to dementia, study finds University of Chicago News Smoking shrinks the brain and drives up Alzheimers risk, new study finds
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