Even you feel healthy, you should get preventive health checkup for every age once in a year.
Even healthy people will get in the risk of diseases like cancers, Fragile bones, Hormonal imbalances or Faulty functioning of kidneys, liver and lungs, etc. which could not show any noticeable symptoms at an early stages. By regular health checkup we can get the better understanding of our body functioning.
Checkup tells you : your age, health and family history, lifestyle choices (i.e. what you eat, how active you are, whether you smoke), and other important factors what & how impacting on your health so that you can improve or change your habits which are harmful to your health. Also detect if any developing diseases are their, to it can be treated better.