India, May 22 -- Kyle Busch, the two-time NASCAR Cup Series champion, died at the age of 41. The news of Busch's demise came after his family had issued a statement that he'd been hospitalized due to 'severe illness'. However, no official cause of death was given in Kyle Busch's case, nor was the illness he was suffering from specified.

Now, a medical expert has weighed in on what might have happened to Busch. Notably, a radio message from the May 10 Cup Series race at Watkins Glen showed that Busch was suffering from a 'sinus cold'. He had requested a doctor visit him after the race, noting that he needed a 'shot'. However, what the shot was for was not made clear in Busch's communication with his team.

Dr Jesse Morse, a board-certifie...