As with many adverse events, it is possible that an individual may have a heart attack before middle age, but it is far less likely. The risk becomes greater for men after the age of 45, and for women, after 55. A heart attack is very serious and needs immediate attention.
The rate and degree of recovery will depend on how soon medical attention, or at least, paramedic attention, was received. A heart attack is a state in which the supply of blood to the heart is suddenly blocked, usually by a blood clot. So, it might be possible that heart attack can happen to anyone and at any age.