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 b in ur 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 ur Diet. Avoid Cld drinks, especially aerated, Black.
Diet should b Oilless r minimum oil with Salt to be in less quantity.
don't go for baked items, n avoid cooking food in micro woven.
Try to take WATER @least 3-4 litre 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 urself for the vigorous activity @ur convenience.Always remember.... if u cant allot time for active movements,, later u may feel repentance abt the sedentary life forever.
If have habit of Smoking, Drinking Alcohol,Chewing Pan, r any other Addictions, try to reduce Quantity n frequency wise, gradually.
Don't 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 you will be free from many diseases forever.