Everybody wants to live a happy life but only a few actually has that. It is not true that we don't know the secret of happiness but there are always some inexplicable reasons preventing us from reaching our goal of happy and blissful living. The first and also the most important thing we need to understand that maintaining good health is hardly enough to have a happy life and happiness is actually the result of complete integration of physical and mental states as well as spiritual wellbeing. As a matter of fact happiness is a multi-dimensional form of mind and physical, emotional, spiritual, social, environmental, intellectual and occupational are the different factors those interact with another contributing to the quality of life and resulting in the mental state of happiness.
Maintaining your general health by building a strong foundation that includes addressing one's body, mind, spiritual and also social connections can be the very first step for having a happy life. Every day you make conscious choices regarding your health through your actions and inactions. For maintaining good health there is no standard strategy that will work best on everybody and apart from the basic principles of good health and happy living there are also numerous resources and tools those are also required to be considered. A general health strategy is something that you can never achieve or complete for that is an ongoing process and requires being reviewed time again as one's lifestyle keeps changing.
Apart from detailed and comprehensive physical checkup after regular intervals that include every single component of your body you are also required to focus upon your biological health as well as your mental, spiritual and social health. Try to develop a good understanding of your biological health and you can also consult your doctor for tailor made strategies those will promote and ensure it. Setting up realistic nutritional goals fitting with your lifestyle can very well be the key to your success in this regard. Find a better diet by consulting your nutritionist for improving your biological health but there are also other factors like exercising, relaxing and good sleeping habits upon which it is heavily dependent.