Cristian shares a fascinating article he recently read about how short-sightedness in children has increased in China due in large part to the amount of time that children study. This leads on to a variety of topics – including how much people read in Colombia and why not many people seem to wear glasses there… Plus so much more!
¿Hay muchas personas con gafas en tu país? ¿Crees que es por razones genéticas o sociales? Compártenos tus respuestas.