having good communication skills impacts every part of your life. it may mean a healthier marriage, which can make the patient happier and therefore healthier. you also need to communicate with your doctor to be healthy. your doctor needs to know if you are sexually active, and what gender it is with, because they can know if you are at risk for STDs and if they need to prescribe pre-exposure prophylaxis (STD prevention meds). your doctor needs to know about your diet, to see if you need any modifications, and if there is any reason for why you are having hypertension, for example.