Efforts to discourage smoking have steadily reduced its prevalence from 27.8% of the global population in 1990 to 19.6% in 2019 1. However, the total number of people who smoke has actually increased ...

Nicotine and other toxic chemicals in cigarette smoke cause lung-related conditions and heart disease. Quitting smoking can reduce the chances of developing cardiovascular diseases such as stroke, ...

Smoking affects the lungs and other organ systems, including the heart. The carbon monoxide from tobacco reduces oxygen to the heart, causing it to beat faster to deliver oxygen to the body. Share on ...