I think it's a much simpler disease to understand. Many forms of heart disease are easy to understand. My heart is blocked up with a fatty deposit because I a

I think it's a much simpler disease to understand. Many forms of heart disease are easy to understand. My heart is blocked up with a fatty deposit because I ate too much junk food? Makes sense, I could stop doing that. Some of my skin cells are dividing uncontrollably because I sat in the sun too long 20 years ago? And somehow it's spreading to totally unrelated organs? I don't get it.