Does this trunk make me look fat? Overweight zoo elephants no laughing matter

The birthrate for African elephants in zoos is declining, and researchers look for a link between inflammation and obesity that may be connected to the increase in infertility. "Obesity affects about 40 percent of African elephants in captivity," said one researcher. "Much as we see in humans, excess fat in elephants contributes to the development of heart disease, arthritis, a shorter lifespan and infertility."

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