A teenager who fears dying young has narrowly escaped death twice this year after contracting influenza and respiratory virus infection, enduring what he described as his “most emotionally devastating breakdown”.Chen Tsz-kin, 17, was diagnosed with the incurable muscle-wasting disease at the age of 18 months and was told that people with the condition had an average life expectancy of 18.In a Facebook post on Thursday, he revealed that he had experienced two near-death episodes this year,...