WATCH: New injury warning for motorized scooter users

WATCH: New injury warning for motorized scooter users

Transcript for New injury warning for motorized scooter users

on just how dangerous it can be. Electric scooters speeding down the street and the sidewalk all over the country. Now behind a rash of emergency room visits. Here’s ABC’s Marci Gonzalez. Reporter: Tonight, doctors warning about extreme injuries caused by those trendy motorized scooters growing in popularity across the country. They don’t understand the speed and the potential danger with that speed. Reporter: A new study published this week tallying electric scooter injuries from two California emergency rooms. Finding 249 people hurt in one year alone. 91% were riders, not pedestrians. And most injured riders, 95%, were not wearing a helmet. Anybody who gets on a scooter going 450 miles an hour should definitely wear a helmet to protect their brain. Reporter: Kelly Mitchum on her first electric scooter ride in Dallas, sent flying over the handlebars and landing face first. When you hit the cement at 17 mph, it hurts. Reporter: Pat brogan riding a scooter downhill in San Diego when she says the brakes wouldn’t work. Her crash leaving her cut and bruised, sending her to the hospital for surgery on her broken hand. But I thought I was going to die. Reporter: Multiple cities across the country now banning electric scooters, some just temporarily, as they study whether regulation is needed. And some people frustrated by them littering the streets and causing hazards for pedestrians, sending a message, setting them on fire and burying them in sand. One company, bird telling us, injuries are only reported in a fraction of a percent of all rides. Experts say you should read the corporation agreement you sign acknowledges the risks.

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