My dad is 63. No real age in our modern times, but in recent years, illness has taken it’s toll to the point where he now struggles with walking any sort of distance, and has resorted to using a stick when out and about. The reality is that mobility is becoming a problem that didn’t exist in the past, and that it is something, that, unfortunately will only get worse. It is something that I can totally sympathise with. 12 years ago I was struck with sudden, debilitating pain that left me hardly able to walk and move. It came on quite suddenly, with the pain beginning in my hip…