A heart attack is occurring nowadays in younger and younger populations vastly because of changes in lifestyle and stress, many factors contribute to stress like daily competition, food habits, work stress, work abuse. Apart from this, smoking is major risk for heart attack in young. Another factor contributing is very much neglected is lack of sleep. So prevention is better than cure. So Daily exercise, yoga, meditation, healthy diet works a long way in preventing obesity and lifestyle diseases like Diabetes, hypertension, Dyslipidemia (cholesterol issues).
Symptoms to watch are chest pain, breathlessness, fatigue , sweating could be heart attack so need to consult your doctor immediately.