Bicycle Safety: Bicycling is both a common form of recreation and transportation, which means it's important to remain safe through wearing protective gear like helmets and obeying traffic laws. Read the Bicycle Safety Main Article Must Read Articles: Bicycle and Motorcycle Helmets Wearing a helmet while bicycle riding, motorcycle riding, or skiing can prevent severe head trauma and disabilities. Wearing a helmet can reduce the risk of a serious head or brain injury by 85%. Expert Views and News Does Biking Hurt Sexual or Urinary Function?