Step 1 : Introduction to the question "5. Sadly, it was not a particularly strong family physically into which Bell had been born. His two brothers died young from which terrible illness, which was the plague of many people living in colder climates over the centuries?"
...1. Poliomyelitis 2. Tuberculosis 3. Hayfever 4. Hiccups Melville died in 1870, aged twenty-five, and Edward died in 1867 at the age of nineteen. By the time he himself was a young man, Bell's own health began to fall prey to that terrible illness and it was at that stage that his parents, grief-stricken at the loss of two of their sons, and in an effort to protect their remaining child, decided to relocate to live in Canada, a place were Bell's father, in an earlier sickness, found to be very beneficial for his own health.
