Sid is quite inquisitive; consequently, he manages to sneak a look at his medical chart when he visits the doctor. This time he was alarmed because the chart contained a note indicating he had a high HDL level. He asks if you understand the note

What do you tell him?
a) "Your risk for cancer is high."
b) "Cut down on your use of sweets."
c) "You have an increased risk for ulcers."
d) "You have a low risk for heart disease."

D