By crashing and hitting your unprotected head.
If you have an accident, crash or simply come off your bike and your head hits a solid object, unprotected by a crash helmet, it can cause severe head trauma and possibly death.
1060 people die from wearing a helmet doing stunts
In the United States, there are over 2000 people who die each year by not wearing a helmet. This includes motorcyclists and bicyclists.
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You would die, because you wouldn't be wearing a helmet in space...
Highly unlikely. Not wearing one could increase your chances of injury in an accident.
We would all die... but I would be wearing a helmet.
If you think your head is worth protecing then a helmet is worth wearing.
Approximately, 41% riders die because of not wearing helmets, annually.
Wearing a helmet protects the head, and many of your body's systems are controlled from there.
Yes it is a Good idea to wear a helmet so that if you get into an accident you do not die or get a concussion.
17 in 2011 including foreign countries
Yes Helmet is very compulsory in Hyderabad.