The authors conclude that working job needs have a role in the development of dementia. Contact: Dr Andreas Seidler, Johann Wolfgang Goethe University, Frankfurt/Main, Germany Tel: +49 69 6301 7607 Email: Just click here to view the paper completely.. A challenging job protects against the development of dementia Jobs that are both challenging and afford possibilities to take responsibility seem to protect against the advancement of dementia, concludes study in Occupational and Environmental Medication. The researchers bottom their findings on 221 patients with dementia and 229 healthy people from the same area, randomly chosen from census registers. The patients, who had been all drawn from 23 doctor practices in one region between 1998 and 2000, were aged between 55 and 99.This phenomenon can also explain why the efficacy of the mumps vaccine is commonly lower among home contacts than among school or community contacts.27 If, in fact, the intensity of publicity reduced the effective safety supplied by the mumps vaccine, the frequent daily changing of companions really helps to explain why the condition pass on in the yeshiva environment. The discovering that transmission of mumps to nonorthodox persons in the affected communities occurred rarely and had not been sustained for the reason that population supports the final outcome that intense exposure is essential to overcome an individual person’s vaccine-induced immunity. Although Orthodox Jewish persons generally cluster geographically and socially, they often interact with their non-Orthodox others and neighbors who work of their communities or visit their communities.