a hypochondriac
Examples
A hypochondriac is one who has a pill for everything except what ails him.
I am as far from a hypochondriac as you could ever be.
I'm a hypochondriac. Yesterday it was brain damage from the vodka the night before. Today, heart attack - my arm and chest started hurting at the same time.
Ever since I've been young I've been fascinated by the human body. I've written songs about it, but you can become quite morbid if you think about it too much - paranoid and a hypochondriac.
Sometimes I say to myself, what are you doing in this absurd job? Why don't you go to Africa and help people? But I cannot help people, because I am a hypochondriac.
The trouble with being a hypochondriac these days is that antibiotics have cured all the good diseases.