elizabeth blackburn who won the prize for her work on chromosomes, she's been working with a psychologist san francisco sharing housedress how did the -- how stress operates. one is you kill yourself with drugs and poisonings and are killed of one thing or the other but another is damaged disease but the earlier one that i talked about with the material deprivation. >> host: and we are also seeing with the intergenerational link are very strong. so with the apparent health that gets into the biological and material ways passed on to children and this -- >> there's not a politician who would stand up and say that i believe in inequality of opportunity and every politician right, center, left believes in equality of opportunity but it shows that inequality in this generation affects the life chances of the next generation and the one after october 4 generation is set and the one after so it shows very clearly that the greater the income inequality affecting this generation the less social mobility there is. you have less income inequality and much more mixing and much more social mobility s