Is cocaine bad for your heart?

If yes, why? Please be specific

yes, it is.
extension veins, accelerates the heart and blood flow. for example, can lead to heart attacks.

Cocaine speeds up with your heart, and this can literally over work your heart. This can lead to heart failure which leads to death, so yes, it is extremely bad for your heart.

In large amounts, it can cause convulsions so strong that they cause the entire nervous system to collapse, and this also causes heart failure.

Yes it is. It has been shown to damage small vessels in the heart and can cause heart attacks. It artificially raises your heart rate. An overdose can lead to a strong irregular functioning of the heart, and eventually failure of the heart. It can cause high blood pressure, and as a result, bleeding in the brain leading to a greater possibility of death by brain hemorrhage. Not only can in damage your heart but it can damage your nose. I know how fun it is, but it costs a lot of money and it is very bad for your health. I would recommend quitting and investing the money you are saving in an education or something worthwhile. Drug use makes you feel good now, but you will probably die young and broke. Its your choice though.

yea its like red lining the RPM meter on your heart. not to mention if taken over time it will decrease the oxygen flow to your brain literally making you stupider and in the worst case scenario, a vegetable