Which of these situations do ER doctors plead for you to avoid above all the others?

Don’t slice an avocado hastily.
Don’t trust a trampoline.
Don’t pet strange dogs.
Don’t ignore sudden symptoms.
Don’t ride without a helmet.
Don't have a gun in the home
Select gender and age to cast your vote:
Which of these situations do ER doctors plead for you to avoid above all the others?
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