Actor Sidharth Shukla passes away due to a heart attack at 40. Heart disease incidences among youngsters are rising at a rapid rate in the country for the last few years. Looking fit or going to the gym does not mean you are healthy. There are multiple factors like lifestyle disorders, lack or more of physical activity, stressful life, that leads to heart attacks. However, indulging in an unhealthy lifestyle such as excessive stress, lack of sleep, alcohol consumption, smoking, consuming excess supplements and over-exercising can cause more harm.