Hashimoto's thyroiditis, also known as Hashimoto's Disease or chronic lymphocytic thyroiditis, is an autoimmune disease in which the body's immune system attacks the thyroid gland.
But year after year, 15 captains of 15 teams fail in their pursuit of such a lucrative prize. The Stanley Cup is without a doubt the hardest championship trophy to win in all of professional sports. Harder than winning the Superbowl, harder the winning the World Series, and harder than winning the NBA Title. There are 16 teams in playoff contention, only other sport that can claim the same would be the NBA.
But despite the year of practice required to become proficient in Polo, many still maintain that golf is the worlds most difficult sport. Golf: The world's hardest sport? Depending on your definition of minimal proficiency, it can take hundreds of hours of practice to be able to enjoy playing golf. My Dad used to say that you must strike at least 10,000 gold balls to be proficient, while other claim that you must hit at least 100,000 golf balls to achieve proficiency as a golfer.