Background: The incidence of myocardial infarction (MI) in the world varies greatly. The present study was conducted to assess risk factors of acute myocardial infarction among adults. Materials & methods: This study was conducted in the department of Internal Medicine. It comprised of 64 cases of MI. Patient information such as age, sex, family history of CVDs, physical activity, smoking habits, a past history of IHD (ischemic heart disease) was recorded. Results: Age group 21-25 years had 4 males and 2 females, 26-30 years had 2 males and 3 females. 31-35 years had 6 males and 9 females and >35 years had 28 males and 10 females. The difference was significant (P<0.05). Smoking was seen in 75%, diabetes in 34%, dyslipidemia in 31%, hypertension in 37%, positive family history in 20% and BMI> 25 Kg/ms2 in 12% of cases. The difference was significant (P< 0.05). Anterior wall MI was seen in 30%, inferior wall MI in 12%, Q wave infarction in 50% and sub endocardial in 8% of cases. Conclusion: Author concluded that MI in now becoming disease of young adults. Person has to quit smoking and a routine physical exercise is necessary to overcome the risk of MI.