smoking cigarettes

Quit Smoking: Increase Your Life Expectancy with COPD

If you're battling chronic obstructive pulmonary disease and you're still a smoker, you've likely already heard this good advice: Give up cigarettes and you can improve life expectancy with COPD. Nicotine is an addictive substance that acts on regions of the brain that produce pleasurable effects, and it produces these … Read More

What Causes Heart Attacks—and How to Prevent Them

What causes heart attacks is the stoppage of blood flow through a coronary artery. The heart muscle that normally keeps pumping blood out to the body and the lungs becomes starved for oxygen. Without a steady supply of oxygenated blood, heart muscle tissue becomes damaged. If blood flow remains blocked … Read More

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