By that reasoning it is three times more important to prevent automobile ownership, three times more important to prevent access to poisonous substances, and three times more important to prevent high places.<p>Because the three most common causes of accidental death in the US are Unintentional fall deaths, Motor vehicle traffic deaths, and Unintentional poisoning deaths.  And each of those kills roughly three times as many Americans as guns.<p>When you add in intentional firearm deaths, it&#x27;s roughly the same as automobile deaths -- yet we give 16 year olds the keys without a second thought.