A healthy lifestyle is a way of living that minimizes the risk of being seriously ill  or dying early. We know that all diseases are not preventable but a large proportion of deaths  such as deaths from coronary heart disease and lung cancer can be avoided.  After all healthy lifestyle not about avoiding diseases.  It is actually about physical,mental and social wellbeing . You should follow some basic rules to maintain a healthy lifestyle such as you should not smoke or drink alcohol. You should do some physical exercise so you can keep yourself fit.Thus you can maintain a healthy lifestyle.