human
What's an argument for and against wearing a helmet when riding a bike?
assistant
Argument for Wearing a Helmet When Riding a Bike: 
1. Helmets protect your head from injury, such as concussions.
2. Helmets can also help prevent other types of injuries, like broken bones or cuts.
3. Helmets are required by law in many places, so it is important to wear one.
4. A helmet can save you money if you have to go to the hospital after a crash.
5. Helmets can be uncomfortable at first, but they become more comfortable with use.
6. Helmets reduce the risk of death by up to 80%.
7. Helmets make bicycling safer for everyone on the road.
8. Helmets are relatively cheap compared to other safety equipment.
9. Helmets provide extra visibility to drivers and pedestrians.
10. Helmets are easy to put on and take off.
11. Helmets come in all different colors, designs, and styles.
12. Helmets are designed specifically for cycling and offer protection that is unmatched by any other helmet.