peter clarke: and these people are caught in a vise-- where rising rents, the high cost of good food, the need for medications and health care for children or themselves-- these are crushing factors. and the first thing that gets sacrificed in that trio is good eating, because it's the thing that you can sort of get along without as long as you have enough calories. marc shiffman: the indigent population faces day to day challenges that are formidable, from the moment they wake up, until the moment they go to bed. and so what we-- you and i-- may take for granted in our day to day running errands and doing this and that, and getting here and there, and going to appointments, and meals and taking care of family, and whatever other responsibilities most of which we may consider mundane-- these are all the issues that impact adversely on their health, because they can't all be sorted out properly. and so in every way, shape and form, the lifestyle impacts adversely on their health. the effects of poverty on health appear to strike hardest at those who are at either end of the age continu