"Hi, my name is Cori Ritchey and I was nominated for the ALS Ice Bucket Challenge by Megan Ritchey. I nominate [insert three names of high school friends I haven't spoken to in 10 years]. You have 24 hours." And then my sister proceeds to dump the whole bucket of ice water over my head.

The viral internet challenge, the Ice Bucket Challenge, is back and with a new purpose. This time, it's supporting mental health awareness. More here.

The Ice Bucket Challenge brought awareness to ALS in 2014. It's back a decade later with a new cause. Here's why, where to donate and the rules.