MICHEL MARTIN, HOST:
Good morning. I'm Michel Martin. Yoga can have tremendous health benefits when practiced regularly. Just ask the elephants at the Houston Zoo. They take daily yoga classes. The older ones do yoga twice a day just to stay limber. One elephant, Tess, is almost 40 and can do handstands. The yoga classes are voluntary, but elephants who participate get special treats like bananas and slices of bread. Who wouldn't do yoga for that?
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