What would Jacob do? The Jacob in question is a senior at Howell High School.

Ever had a split-second heart attack in the halls of HHS when you think you spot a celebrity? Take a look at some of HHS's Hollywood look-a-likes. *Updated images

Concussions are a growing problem in today’s society. The average high school lineman takes between 1,000 to 1,500 hits to the head each season, some at forces equivalent to or greater than a 25 mile an hour car crash, according to the Centers for Disease Control and Prevention of America.