Sports stars you didn't know had medical conditions
World famous athletes who battled diseases, deficiencies, and more
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It's not easy being the best. Muhammad Ali, Lionel Messi, and Venus Williams are seen as some of greatest athletes ever. That said, did you know that they have all suffered from serious medical conditions? That's right, many sports stars have battled illnesses, diseases, and medical conditions in general.
Intrigued? Get to know these brave and bold athletes in this gallery.
HEALTH Circadian rhythm