Chris Bosh shares the details of a recent health scare that resulted in him waking up covered in his own blood. (2:13)Chris Bosh said that he's "lucky to be alive" after a recent health scare that resulted in him waking up "covered in my own blood." "No matter what it is, make sure you don't wait. But don't wait." Bosh was diagnosed with a second blood clot in his leg in February 2016 and missed the remainder of the season.