Question: Why do we need helmets in sports?

Hey guys, it is me, the Creator of the wiki. Let us talk about a CRITICAL thing. WHY do we need helmets in Sports? Well, let us talk to mystery Doug. I talked to him through video, and now I will explain. In the old days, no helmets in Football. One time in 2016, someone got crashed. The injury was more mild than Migraine, but was a Concussion. Please go to that page, i will not spoil. Anyway, the marshal/referee said that there was a law; no crashing. And so, we need these helmets. Now, if you ask the real thing, go ahead and watch it. Then, in the comments answer this.
# Who(more people) said that no crashing?
# What is the name of headache?
# What happened to Doug in YouTube?
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