Over a decade after the viral "ALS Ice Bucket Challenge," these college students sparked a new trend in support of mental health. Reactions are mixed.

The Ice Bucket Challenge, which was first launched in 2014, has been revitalized with a new mission. Here's everything to know about the USC #SpeakYourMIND Ice Bucket Challenge.

But the goal was not only to raise awareness of ALS — also known as Lou Gehrig’s disease, named after the legendary baseball player who was diagnosed with it in the 1930s — but also for participants to briefly feel the shock that mirrors some of the physical symptoms people with ALS may experience.