A heart attack occurs when one or more of your coronary arteries become blocked. Over time, a coronary artery can narrow from the buildup of various substances, including cholesterol (atherosclerosis). This condition, known as coronary artery disease, causes most heart attacks.
Tell the friend to be careful not to take too much. It does not sound like they have a negative relationship with this drug, nor serious health issues. Telling them to be cautious is the most helpful/appropriate thing to say here.
When someone abuses the use of steroid they can expect these following these to happen to them (The most common ones): Heart attacks and liver cancer, and acne and breast development in males.
The correct answer is Drug use. Obviously a person using a drug to get someone better or to make someones life a bit more stable.
It can not be drug abuse as it is using the drug for just casual purposes which infacts harms the other person.
Also, it can not be addiction as that is when the person is addicted to the drug and he or she has no motive of medication or something and just uses it for the sake of it.