Buzzfeed, you are so embarrassing and two years too late.
The reason why the ice bucket challenge has been effective is because ice water simulates the symptoms of ALS: numbness throughout your body as well as being unable to breathe. ALS patients have to deal with it every single day whereas dumping a bucket of ice water over your head just gives you a temporary sense of what ALS patients go through on a regular basis.
Response to Guess The Celebrity From The Terrible Fan Art:
That one of Justin Bieber would make one terrifying looking titan.