4. Read the text and mark the statements True (T), False (F) or Not Stated (NS). Bicycle Helmets Tom, a friend of mine, a college student, loves riding his bicycle at weekends. He especially enjoys taking long rides through the city. To my surprise, I found he never wears a helmet. I began to wonder why a person who spends so much time and money developing his mind doesn't wear a helmet. Riding a bicycle without a helmet greatly increases his risk of brain injury (черепно-мозговая травма). Each year, over 50,000 people in the United States suffer some form of brain injury from a bicycle accident. Unfortunately, many of them have long-lasting effects. Getting medical treatment (лечение) can cost very big money and can take many years. Compare this waste of time and money with the $$40 you spend on a bicycle helmet. It is not always easy to make a friend wear a bicycle helmet. Be patient! Give your friend time to come to his or her own decision about wearing one. Invite your friend to take a bicycle