For Healthy life by all means, The basic measures that v should follow r. Regular exercises, like Yoga, Meditation, Aerobics, brisk walking, going to Gym,Sports, etc any kind of physical exertion should be in your daily life activity.
Regarding Food, don't go for any junk food, Fast food, Freezed, canned,packaged food.Always take fresh, Home made,If u cant take Home made bcoz of Job, Place, etc, Try to add Healthy Food like Fruit juices,Raw vegetables, Fruits, salads,Sprouts in your Diet. Avoid Cold drinks, especially aerated, Black.
Diet should b Oil less r minimum oil with.Salt to b in less quantity.
Dont go for baked items, n avoid cooking food in micro woven.
Try to take WATER atleast 3-4 liters in a day. But not From Refrigerator.
Avoid Sedentary life.Be a part of some activity.But if u r an Employee, n u don't have option, then Try to schedule yourself for the vigorous activity at your convenience.Always remember. If u cant allot time for active movements, later u may feel repentance about the sedentary life forever.
Always focus on Good.Think +ve.
If have habit of Smoking, Drinking Alcohol, try to reduce Quantity n frequency wise, gradually.
Dont go for Medications for small things also, unless it bothers u much. Try to get relief by home remedies r Avoiding the things that causes, n by taking rest.
If U follow the above all Tips,i ensure U vl b free from many diseases forever.