I never heard anything in the news that he was even sick, and according to the article, he was recently been diagnosed with leukemia.
"I enjoy cocaine because it's a fun thing to do. I enjoy the company of prostitutes because it's a fun thing to do. If you combine the two together, it's probably even more fun." -- Representative Robert Wexler (D - FL)
Charlie Hunnam has dropped out of Fifty Shades of Grey. (hollywoodreporter.com) Official story is that Sons of Anarchy's "immersive TV schedule" is to blame, but apparently there's speculation about other causes.