Why Are So Many People Nearsighted?
BrainStuff - Podcast autorstwa iHeartPodcasts

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