in a french magazine, dr. cohenrgued the diet doesn't just fail, it's actually dangerous, warning that rapid weight loss due to eating exclusively high protein can lead to long-term health problems. dr. dukan was so offended by the criticism, he fought back and last week sued dr. cohen for libel in a paris courtroom. a move dr. cohen thinks will backfire. do you think this lawsuit will hurt him? >> probably yes, because this is the issue for all these type of diets. -- the soul lucian to a very big problem and a very difficult problem. >> reporter: i sat down with dr. dukan last month when his wildly popular book began a six week run on the best-seller's list. there are some critics who say it can't be a healthy diet. perhaps if you're only eating protein, that could damage the kidneys. >> if you have normal kidneys and if you drink minimum six glass of water and you don't practice the diet too long, months and months, you have no kidneys problem. >> reporter: dr. dukan's diet has four stages. phase one is a speedy

let's listen to a clip of one of the authors so you can explain a little bit of it himself but dr morris cohensays. there is an art to horse play it's the subject of his new book and he says it makes kids smart and joyful so first of all somebody's got to poke an eye out. so john karr is going to say i read the book and. so you know and. i said no this is rousing this book is embarrassing i'm embarrassed i'm actually embarrassed to stand here and say that there that this book is going to sell and that people in america need a guidebook suddenly though they are. trying to when they were going to alexandria where these people put their kids. never touch the ground and therefore they were crocs these people really seriously probably do need to be taught that their kids can touch dirt you know that they can play the holes in their lives. is about like bring a mattress in your living room so your child can jump on the couch play with me. let me let me let me read you know from other books as ultra simple diagrams for a safe room because pillow fight or a round of human cannonball and i urge you to

supervisor cohen: thank you very much. dr. mcghee. you are next. peggy lang, you are on deck. >> we are happy to see you. we welcome you. my question has to do with hall, as a health service provider and have been doing so for more than 11 years, how do we protect the funds we still have in place? how can we looked at providing even more services right now for individuals with pediatric of smug, adults with asthma, and as you know -- pediatric asthma, adults with asthma, and as you know, the funds we had for our breast cancer program is now gone. we do not have funds to add. what is it that we are supposed to do? one other question and as, -- one other question is, are we obligated to a year to -- ahere to the contract as being laid out to the department of public health money comes to an individual's time being vested in support services verussus administration? if we have a small budget, we cannot help but replace staff working in administration and support services categories. so, why is it that we cannot jump around in our budget -- if in fact

dr. paul cohen who you've been running a family practice in manchester for how long? >> 27 years. >> nice work. what's your question, sir? >> as a member of the baby boomer generation, i've been contributing to medicare through payroll taxes for over 30 years. how do you propose to keep medicare financially solvent for the next 50 years and beyond? >> let's start with dr. paul on this one. >> well, it's not solvent and won't be solvent. if you're an average couple, and you pay your entire amount into medicare, you would have put $140,000 into it. in your yoif lime -- in your lifetime you will take out three times that much. arithmetic tells you it's not solvent so we're up against the wall on that. so it can't be made solvent. it has to change. we have to have more competition in medicine. and i would think that if we don't want to cut any of the medical benefits for children or the elderly, because we have drawn so many -- so dependent on the government, if you want to work a transition, you have to cut a lot of money. and that's why i argue the case that this money

dr. pierre dukan, the designer of the popular dukan diet. it promises quick, initial weight loss without going hungry. and in this corner, dietitian jean michel cohendiet is dangerous. dukan is suing cohen for libel, accusing the media of climbing on the bandwagon of this fantasy. cohen says the diet is not only unhealthy, it the lead to long-term health problems. >> this is a very dangerous diet because you have too much protein. you eat too much fat, chicken. and you need vitamins. you have no fiber. and you have constipation, breast problem. and sometimes a very frequent heart disease. >> reporter: in a statement, pierre dukan says, there is no truth to the unsubstantiated allegations. when followed correctly, the dukan die set both a safe and effective method of weight loss. i recently sat down with dr. dukan. this is not a quick-fix diet. >> no. it's quick to lose weight. but very long to consolidate. >> reporter: consolidate, that's the key. the dukan die quiet works in four stages. the attack phase starts with encouraging weight loss, a lot of lean protein, and his special ingredient. oat bran, culled from the husks. it makes you feel full.