Bicycle helmet laws • English Conversation Questions

What is the purpose of bicycle helmet laws?
Are there any states in the US with mandatory bicycle helmet laws?
Do countries with mandatory bicycle helmet laws have lower rates of head injury?
Are there any specific age groups that are required to wear helmets?
What is the penalty for not wearing a helmet while riding a bicycle in a state with a helmet law?
Do helmet laws apply to all types of bicycles or only certain ones?
What is the difference between a law requiring helmet use and a law mandating helmet sales?
How does the use of bicycle helmets impact public health and safety?
Are there any arguments against bicycle helmet laws?
What is the impact of bicycle helmet laws on the usage of bicycles?
Are there any alternatives to mandatory helmet laws for promoting safe cycling practices?