Worried...

My mum called me to inform me that my uncle was hospitalised and had to amputate one of his toe. He is diabetic. I guessed he had a slight knock that caused the toe to swell and rot. haiz....it's really worrying because of the previous similar cases that I heard of from my friends. I'm in Australia right now, and I felt so useless. I can't be of any help to him. Argh!...