Millionaire racehorse Lava Man has returned to training following the successful regrowth of knee cartilage. The gelding was retired last year after sustaining an ankle injury. Following bone chip surgery and multiple 10-million stem cell infusions to the ankle, the horse regrew cartilage. Lava Man continued training during the treatments and, if and when he returns to racing, he will race in only Grade 1 stakes with all trainer earnings donated to charity.While Lava Man's possible return to the track has caused some understandable controversy, the very exciting news that stem cell research now makes it possible to regrow both cartilage and tendon tissue in horses offers great hope to similarly injured equine athletes.
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