I am 31 and have been WFP now for nearly a year. I have for the last few months been having some discomfort in my lower back and shoulder. I had a few massage's and it did not seem to cure it, so a friend who has one leg slightly longer than the other recommended me to his Chriopractor. I went along today for my consultation, was in there for an hour and half, going through medical history, type of job and phisical examination. After this i had an X Ray which showed that my spine was curving to the right and my left hip was lower than my right. They put it down to the job, using the same arm and positions to clean, lifting, stretching ect. They will be able to put me all back into place, but if i carry on with the job which i am and they dont say to give up the job, i should go back every 3-6 months for regular check up/treatments. I have never had a problem before with my back, so just goes to show. Just look after yourselves guys!!