Exercise is the best way to maintain your body. So many activities, clubs,gym, dance classes are available for activities and maintain mind n body. Dont decide any activity without understanding your body. Most people i meet who got the side effects after leaving exercises or sometimes they are unable to give desired timings as they were giving before. Make a plan for your diet with walk or yoga. Start your activity with basic exercise and maintain as much level or intensity of your exercise which helps you to remain stable after leaving or gaping of these exercise. First understand your body activity level then start exercise otherwise you must got various side effects.