Duncan Bannatyne, 75, was left fighting for his life this Spring after a holiday turned into a total nightmare. The Dragons’ Den star traveled to Mexico with his wife, Nigora Whitehorn, before enduring a near-death experience. Many fans will recall Duncan from BBC’s Dragons’ Den. Although he’s no longer a star of the show these days, the businessman stacked up his millions appearing as an investor for 11 series. Series 12 saw Duncan depart and Touker Suleyman take his place. Duncan’s near-death experienceMexico is a hot spot for holidaymakers hoping to get some R and R. But, sadly for Dragons’…