Im in the same boat, just got my calcium score of 384 a few months ago. My cardio had me get a stress test done and it was excellent. He upped and my to 40 from 20 and told me to see him again in a year. Im relatively healthy but started working out more and eating a lot healthier. Im cutting out saturated and trans fats from my diet, and weight loss is a secondary thought to heart health. I wish you well.