Of all the parts of your body that can break , your brain is the most valuable and least repairable .
There is never a reason to go for a ride -- even a quick jaunt to the coffee shop or park -- without a helmet on .
Of all the parts of your body that can break , your brain is the most valuable and least repairable .
There is never a reason to go for a ride -- even a quick jaunt to the coffee shop or park -- without a helmet on .