How can smoking lead to cardiovascular disease

[want to know student]

which is heart attack? Can smoking can lead to a heart attack? can a passive smoker can get a heart attack too?

[Silmeria81]

The risk is higher depending on how heavily one smokes. Passive smokers are no exception, but less likely to experience heart attack via tobacco. Smoking causes arteries/veins to constrict (tighten). If the person has too much cholesterol in his or her system, then the constriction caused by the nicotine can cause the blood vessels to stick together---inducing a heart attack. Also, the ingredients in nicotine are considered "uppers." They cause the heart to beat faster and work harder than necessary. Finally, the contamination smoking causes to the lungs makes the heart work more than it normally needs to. The smoke kills the oxygen capacity of RBC's (red blood cells). All of this undue stress can cause a heart attack over time.

[Ashley H]

smoking can damage all kinds of things.

[Craig]

Yes, smoking can lead to hardening of the arteries. This causes heart disease. Passive smoking has the same effect.

[Madi]

your heart is right between your lungs. when low-oxygen blood come into the heart, it is pumped through the right side of the heart to the lungs, and then back through the left side of the heart to be pumped back to the body. it's all closely intertwined.

[Sher]

damages the lungs which pump oxygen to the rest of body via the veins which restricts flow to the heart