This animation by Visible Productions explains the process by which we see, and how aging affects the lens causing it to become less flexible. This rigidity is called Presbyopia, which is normally corrected with reading glasses. Learn more about combatting age-related vision loss by watching this animation.
Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.
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