Digging my hand into a bag of crisps, I shoved a handful into my mouth.
It was October 2017, and I was a third-year accounting student in Toronto, Canada.
With so much coursework to get through, I barely had time for a proper meal, and would instead snack on junk food while typing out essays.
I’d always been a fairly big lad, but living in student accommodation had taken its toll, and I was pushing 21st.
That night, as I typed out a lengthy essay, I noticed a small patch of red, itchy skin on my right hand.
I ignored it at first, but over the next few days, the patch started to grow.
It had become raw and painful, and so itchy.
I went to my GP, where I…