"Watson ate two bags of popcorn each day for ten years. Assuming he didn’t skip a day, and give or take a leap year, that’s about 7,300 bags of popcorn over the designated period of time. Due to his habit, he contracted a rare disease — referred to as popcorn lung — thought to have been contracted from inhaling so much artificial butter, rather than consuming the actual popcorn. Watson stated he only has about 53% lung capacity due to the illness." Um.