I'm retired http://www.bellavistaar.gov/order-flagyl-for-dogs.pdf better where to buy metronidazole or tinidazole rochester “We have known for some time that the numbers of people with Alzheimer’s varies between countries,” a spokesperson said. “That this discrepancy could be the result of better hygiene is certainly an interesting theory and loosely ties in with the links we know exist between inflammation and the disease. However it is always difficult to pin causality to one factor and this study does not cancel out the role of the many other lifestyle differences such as diet, education and wider health which we know can also have a role to play.”