BrainStuff Classics: Why Are So Many People Nearsighted?

By 2050, half the world will be nearsighted. Researchers tracking this eye condition (also called myopia) have a few hypotheses about why it's happening. Learn more in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/eye/half-the-world-will-be-nearsighted-2050.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.com