Doctors Warn of Rising Brain and Facial Injuries Tied to E‑Bikes

Across the Detroit metro area, emergency rooms are suddenly seeing more patients with bruised skulls, broken noses and other serious injuries that, until a few months ago, were rare for cyclists. The culprit? A rapidly growing fleet of electric bicycles, or e‑bikes, that can sprint up to 28 miles per hour and weigh considerably more than their pedal‑only cousins.

Dr. Robert Sherwin, who works in the trauma unit at Detroit Medical Center, describes the shift in his own words: “These Class 3 e‑bikes feel more like mini‑motorcycles. When a rider hits a curb or a car, the impact is far harsher than with a regular bike.” He adds, almost as an after‑thought, that the human body, unfortunately, hasn’t been upgraded to match the extra speed and weight.

Local bike shop owner John Hughes agrees that the problem isn’t the bikes themselves but the road they share. “Cars just don’t look out for bikes anymore,” he says, shaking his head. “Everyone’s glued to their phones, traffic is dense, and the e‑bike is suddenly a heavyweight moving at highway‑like speeds.”

For riders like Cam Cason, the appeal is clear. He uses his e‑bike to zip to work and to the university, boasting that it’s “way better than a car” and saves him from paying for gas. The convenience, however, is now being shadowed by a growing list of injuries that range from scraped elbows to life‑threatening brain trauma.

Nationwide, the picture looks just as stark. In New Jersey, legislators passed a law this year that forces e‑bike owners to register their machines, and riders must be at least 15 years old and hold either a driver’s license or a specific e‑bike endorsement. The law was spurred by a tragic accident that claimed the life of a teenager, and supporters hope the added paperwork will encourage more responsible riding.

Meanwhile, researchers at NYU Langone Health released an advisory in April highlighting a disturbing uptick in head and spine injuries linked to both electric and traditional bicycles as well as scooters. Their study, published in Neurosurgery, examined 914 trauma patients admitted to New York City’s Health + Hospitals system. Roughly one‑third of those patients suffered a traumatic brain injury, and more than two‑thirds required hospital admission; about 30 % needed intensive‑care monitoring.

Perhaps the most eye‑opening statistic comes from a comparison of 2018 to 2023: injuries involving micromobility devices jumped from under 10 % of all trauma cases to more than half. The leading cause? Collisions with cars or trucks, accounting for roughly fifty percent of the incidents. Helmet use remains dismally low—fewer than one‑third of riders were wearing one—correlating with a significantly higher rate of brain and facial injuries.

Alcohol also plays a role. The study found that 20 % of injured riders tested positive for alcohol, and those individuals were far more likely to sustain severe head trauma and far less likely to be wearing a helmet. Pedestrians are not exempt either; of the 69 pedestrians struck by e‑bikes or scooters, nearly twice as many suffered brain injuries compared with the riders themselves.

Dr. Hannah Weiss, a neurosurgery resident at NYU Grossman School of Medicine and the study’s corresponding author, summed up the crisis: “We’re seeing micromobility injuries that demand neurosurgical care at a scale we haven’t seen before. Simple measures—helmet use, better bike‑lane design, and stricter enforcement—could prevent many of these tragedies.”

In Detroit, police reports echo these concerns, noting a steady climb in e‑bike crashes over the past year. Some municipalities are already considering bans or tighter restrictions, especially for the high‑speed Class 3 models that blur the line between bicycle and motor vehicle.

For now, the message to riders is clear: treat your e‑bike like any other motorized vehicle—respect its speed, protect your head, and stay vigilant in traffic. For policymakers, the data suggests that a blend of registration, licensing, and infrastructure upgrades could curb the surge of devastating injuries before the next headline warns us again.