Blood Sugar Tests ha1c

All type of Blood Sugar tests are simply waste of money. I learnt that very very hard way. My father is 81 year old. He was keeping sick for last 6-7 years. He had 2 hip replacement surgeries done about 8 years back. He was hospitalised 3-4 times in 2013 to 2014. Every time his blood tests showed blood sugar levels of 80 to 110 fasting as well as random. My father suffered from High Blood...