Legally, no, you are not obligated to care for your own health. Your relatives, however, will not appreciate you neglecting your health. Ethically, morally, empathically, your relatives and/or loved ones will greatly welcome you to keep up with your health to stay as healthy as possible and in their lives for as long as possible.
Care is defined simply as a legal obligation to always act in the best interest of individuals and others not act or fail to act in a way that results in harm . Act within your competence and not take anything you do not believe you can safely do.
