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Show Pa op in thr HFRAl.n Dr. Provo. Utah. Wednesday. September Lawrence Lamb Heat Affects Older Folks - DEAR DR. LAMB Last summer we w;nt through a terrible heat wave. Do some people suffer more from the heat than others? Does it have anything to do with metabolism? Does prolonged heat have any effect on breathing or the heart? I'm 64 years old. Last year I had no during the day. My room at night was but since my husband can't tolerate air conditioning we used floor fans during the day, which really does nothing to cool the room. When I was so hot I had trouble doing my usual work. My breathing would become shallow. During the heat I get irritable and cranky. I would like to know if this is normal under these conditions. It is essential to your health DEAR READER to control the body temperature within a rather narrow range. Each of us has a thermostat in the g floor of our brain that turns on the mechanisms when the body temperature starts to get too high. It causes an increase in blood flow through the skin to improve evaporative cooling, which in the extreme is sweating. These changes do increase the work of the heart. Hot moist weather is particularly hard on heart patients. Older people have more trouble regulating body heat. The thermostat is not quite as effective, so sumin they have trouble eliminating body heat the mer or maintaining body temperature in the winter. That is why heat waves affect older people the most. The effects of heat and heat waves are discussed in more detail in The Health Letter number Heat Stress: Cramps, Exhaustion, Stroke, which l am sending you. Others who want this issue can send 75 cents with a long, stamped, envelope for it to me, in care of this newspaper, P.O. Box 1551, Radio City Station, New York, NY 10019. It is important to be able to cool down during the accumulatnight. That helps the body eliminate the once the tembut are Fans load. ed heat helpful too by evaporation body cooling high, gets perature is not very effective, and then fans don't do a lot of good. A cool soak in a tub of water is helpful. DEAR DR. LAMB My husband and I would like to know what people entering their 90s should do for their health. We are in fairly good health and live on a farm and have plenty of exercise, we think. Do we need more of some things, such as protein for energy? DEAR READER Congratulations! Whatever you have been doing seems to have worked fairly body-coolin- 2, well for you. There is a misconception that older people need special diets. The problem often is that older people stop eating an adequate, nutritious diet, sometimes because they live alone and sometimes because they are already ill. The nutritional requirements for older people are essentially the same as when one is younger. If you are not active physically, you may need fewer calories. The protein requirements are about the same; increased proteins may actually strain the kidneys. You do need to be sure to get plenty of calcium. Incidentally, it is a mistaken idea that proteins are high energy foods. They are not A gram of protein contains about the same amount of energy as a gram of carbohydrates and less than half as much energy as a gram of fat So eat a healthy, balanced diet with adequate amounts of vitamins and minerals. I am 63 and have had a lot DEAR DR. LAMB from of back trouble osteoporosis. I exercise, which seem to help. I also take vitamin D, sodium fluoride tablets. and than My doctor tells me my back is much older firm. insurance an for a I have job working my age. When I get tired it is always in my back. I'm old enough to retire but am happier working. I never did ask my doctor what the future holds for me concerning my back. Do most patients get bedridden or have to live in a wheel chair? I have also been told there is nothing they can really do for you. Is this true? If I knew the truth I might retire as I don't have to work. As they age, almost everyDEAR READER one develops some osteoporosis. This is the gradual loss of bone tissue with bone calcium. The amount of loss is what makes the difference. Anglo-Saxo- n women, particularly those of small stature, are more prone to severe bone loss than others. Small Japanese women also have the problem. This has lead some investigators to think that the size of the skeleton is important and that people with large skeletons are less likely to have significant bone 2, 1SS1 With Added Punch Increasing Vegetables - Some imNEW HAVEN, Conn. (UPJi portant crops like potatoes and tomatoes are packing more of a nutritional wallop these days, and the list of vegetables with the added punch is growing longer. "What we have is a veritable revolution in the way that plants will he improved and produced " says Dr. Arthur W. Galston, Yale University's renowned professor of botany and forestry. Galston is the author of "Green Wisdom." a new book outlining the approach to potential food sufficiency, which began with the knowledge that plants can be reconstituted from single cells. Biologists take a single cell out of a plant, for example, and put it into tissue culture. progeny through the normal sexual cycle because it takes many yea rs for forest trees to get to the reproductive v ge. And, here in tissue culture, we can prod uce zillions of trees. Cloned trees are already being planted in many forests." Galston said. And if a scientist can genetically alter a single cell, he can produce a new kind of organism. This is a wa of getting plants of one's own design withoi it going through the process of breeding for generations. means it's grown on an artificial medium. It then makes a lot of cells, and the scientist is able to get that to organize into a new plant. Because a single cell can be used to make a whole plant, plants can be cloned. Scientists can make as many identical genetic copies of millions, in fact just any plant they want by taking individual cells from that plant and culturing them in a certain way. "This is important immediately because it affords a rapid way of propagating a single individual," says Galston. "So supposing you have a forest tree maybe a rapid wood producer. It would normally take many years to get which "There are other thir igs you can do with these individual cells. Yt m can select them so that you can have nutri tionally much more desirable plants." Galston said. "There are wavs to : .elect plants with a high amino acid content and since amino acids are important dietarily to us this could be important in improving the nutritional quality of the crops that we grew. "There are ways of selecting for resistance to disease so you can improve the crops from that point of view. So what we have is a veritable revolution in the way that plants will be improved and produced " he said. inIn the case of naked protoplasts dividual cells separated from their cell walls scientists can make them act by enzymes as if they were sperm and egg. They will fuse in a test tube to make what's called a "somatic hybrid." which is an ordinary body cell as distinct from a germ cell. Growth Enhancer Promises Food Production Hike - nee, soybeans, corn wheat and grass crops and now is being tested on cotton. Universities in Iowa, Arkansas Colorado and Wisconsin have tested it and so have such big agribusiness concerns as Farmland Industries. Inc., of Kansas City. It is sprayed on the plants at varying periods of the growing season. on 2.600 acres of rice in Jackson and Victoria Counties. Average yield increase was 13 percent and germination 8 percent. Cranek said the milling head which determines the quality of the rice, was much improved. on A microbial growth NEW YORK (UPI) enhancer for field crops developed by Louisiana biochemist Dr. Jerry Mayeux out of space research could play an important role in staving off starvation in the world. The product which is called Burst Yield Booster commercially employs Cytogen. That's the trademark name for a natural growth factor that stimulates the reproductive elements in plants and also causes the "undifferentiated" cells to differentiate and assume useful functions, says Robin L. Fischer, who is associated with Mayeux in manufacturing the product at Shawnee Mis- Fischer said officials and business people in Asiatic countries whore rice is the staple diet now are showing a lively interest in the growth enhancer. Mayeux first discovered the principle of Cytogen while workin,? on the Columbia space project to develop plants that would grow in spaceships to fe ed astronauts on long stellar missions. He tr eated tomato plants with an algae culture solution and they responded with rapid growth and profuse fruiting. Fischer said the resu ".its when using Burst The most extensive and successful tests so far have been with rice. Being from Louisiana Mayeux naturally was interested in rice and rice offered the best opportunity for quick, and perhaps dramatic, results. In Texas, rice yields were increased by anywhere from 147 pounds to 832 pounds to the acre with an average improvement of 448. Les Cranek Jr.. of Rovi farms, tested Burst sion, Kan. The yield booster has been tested extensively for several years in the United States with soybeans have been about as dramatic as with rice although some of the first experiments were not successful because too much of the growth enhancer was used. This produced a lot more foliage but not many more beans. Fischer said the enhancer works well with.' any variety of corn that has multi-ea- r stalks but does not work well with hybridized single-ea- r strains. With wheat he said, the enhancer will work wherever water is reasonably plentiful but does not justify its cost in dry conditions. This brings up the matter of just what the growth enhancer is and is not "It is not a fertilizer, it is not a pesticide or a weed inhibitor." Fischer said. African Leaders Impatient Over Nambia Delays pressures on South Africa have limited ef- feet, has tried to win So uth African.coopera-tio- n by insisting that airy solution of the controversy over South W est Africa must be warned the United States and other Western countries that Africans will insist that United Nations resolutions concerning South West Africa (Namibia) be carried out by South Africa. The United States has received a message from the Organization of African Unity: time and patience are running out in southern Africa. WASHINGTON (UPI) The message was delivered Monday by a group of African foreign ministers who The administration, believing that is. ac"internationally accept able" ceptable to white South. Africans as well as external neighboring black African states. The delegation of foreign ministers from six black countries belonging to the OAU spent two hours with Secretary of State Alexander Haig in what Kenya's Robert Ouko, a spokesman for the group, described as a "frank" 0 5 Os-C- loss. All of the medicines you mention have been used to treat the problem. Small doses of estrogen have also been found to be very effective in stopping bone loss and may be used in some cases. Your provides calcium for you, otherwise I would recommend sufficient milk and milk products to be Os-C- al sure you have a high calcium intake. People with osteoporosis have an increased requirement for dietary calcium to help prevent bone loss. I am sending you The Health Letter number Osteoporosis: Bone Softening, which outlines the problem for you. Others who want this issue can send 75 cents with a long, stamped, envelope for it to me, in care of this newspaper, P.O. Box 1551, Radio City Station, New York, NY 0, INTRODUCING YES DETERGENT PLUS FABRIC SOFTENER. Rainbow-fres- cleans, softens and controls static. It's the most exciting laundry product you can buy! New, heavy-dutYES cleans as well as. any leading detergent, liquid or y softens with scent a rainbow-fresand controls static Plus YES ion? DEAR READER Very unlikely but not impossible. Ovulation occurs 14 days before the onset of menstruation, plus or minus a couple of days. If a woman were grossly irregular, it might happen. More often there is some midcycle bleeding in a few women. This may be caused by a temporary dip in the amount of estrogen being formed. Such midcycle bleeding is NOT menstruation and may occur near the time of ovulation. In that case a woman might get pregnant because she mistook midcycle bleeding for her menstrual period. In general, during the menstrual cycle is the one time that a woman is least likely to get pregnant. If h cling1 With YES, you'll save the cost of separate fabric softeners. The unique ingre- dients o. - ' powder. 10019. Exercises are important but you need to use the right kind. In your case strengthening the muscles that hold your back up are important. Lifting is a no-nYou may live a normal life span developing only minimal changes such as the dowager's hump that is so common. Osteoporosis is the underlying cause of weak bones in many people who develop fractures easily when they get older. If you enjoy working stay with it until your doctor advises otherwise for you. What are the chances of a DEAR DR. LAMB woman becoming pregnant during 'her menstrual period? Doctors differ on this. 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