Guest guest Posted April 30, 2003 Report Share Posted April 30, 2003 Tue, 29 Apr 2003 14:40:02 -0500 HSI - Jenny Thompson An Ounce Of Banana AN OUNCE OF BANANA Health Sciences Institute e-Alert April 29, 2003 ************************************************************** Dear Reader, Perhaps more than almost any other medical condition, a stroke can change everything in an instant. When my grandmother suffered a stroke, it paralyzed the entire right side of her body. For the next 14 months, she lived in constant need of assistance, while every part of her body she could feel was filled with pain. Each stroke patient has a different story: different ways their symptoms developed, different severity and results, different types of rehabilitation, and different increments of recovery. But some factors are consistent. For instance, we now know that healthy dietary and lifestyle changes can reduce your risk of a stroke, or - if you've already had a stroke - can reduce the risk of additional strokes occurring. Because of my grandmother's suffering, I try to stay on top of any new research I can share about the prevention of strokes. Today I have news of an important study - this one addressing how one simple dietary change before a stroke can improve recovery should you suffer one. ----------------------------- Potassium at large ----------------------------- This recent study attempted to assess how patients who had low potassium concentration immediately following a stroke progressed in their ability to function independently. The researchers - from the State University of New York at Buffalo - began their work knowing that previous studies had suggested a low potassium intake was associated with a higher mortality rate from stroke. They also knew that an animal study had concluded that a lower potassium level after a stroke was believed to increase the amount of tissue damage in the brain. The SUNY team studied the hospital records of 66 patients who suffered damaged cerebral tissue during a stroke. They used a special test specifically designed to determine the potassium level in blood samples taken immediately after the strokes occurred. The results showed that the patients with higher potassium concentrations were almost twice as likely to have favorable long-term outcomes following a stroke as those patients who showed lower potassium levels. The lead author of the study, Dr. Feng Hua, hopes her study will encourage larger, more conclusive studies which could eventually lead to the development of a potassium supplement therapy in the early post-stroke period. ----------------------------- More asparagus, please ----------------------------- So how do these conclusions translate into practical steps you can take to prevent long-term disability from stroke? It would seem that anyone who maintains a good level of potassium in his diet would have a better chance at successful rehabilitation should he ever have a stroke. A strong word of caution, however: in this case, supplements are probably not the answer. Potassium is a mineral that helps maintain muscle tone, as well as fluid and electrolyte balance. The National Academy of Sciences suggests that adult men and women should get at least 2,000 milligrams of potassium every day. In most cases this is easily achieved from a normally healthy diet, without supplements. High potassium fruits include apricots, bananas, cantaloupe, honeydew melon and citrus fruits. Vegetables with good amounts of potassium are asparagus, potatoes, green beans, lima beans, and cauliflower. Other foods high in potassium: grain products, red meat, poultry, seafood and dry beans, such as peas and lentils. It would be difficult to get too much potassium from dietary sources alone. The problem with supplements in this case is that they can send potassium levels soaring, and an imbalance of potassium and sodium can result in kidney damage and other serious complications. So if even if you're in a group that's at high risk of a stroke you would do best to pass on the supplements...especially when potassium can be easily obtained from so many natural food sources. ----------------------------- Bears repeating ----------------------------- I'm going to finish up today with some information that can't be repeated often enough. It's absolutely essential to quickly get medical attention at the first warning signs of a stroke. Quick action can reduce the long-term effects of the stroke and may even save the victim's life. So first it's important to know who's most at risk. You are considered a high risk for stroke if you've had a heart attack (especially if you're 75 or older), and if you suffer with hypertension, diabetes, or peripheral vascular disease. A stroke can sometimes be forming for several days before the first symptoms occur, so if you or a loved one is in a high risk group, learn these warning signs of stroke and be prepared to act immediately if any of them appear: * weakness or numbness of face, arm or leg, especially on one side of the body * confusion, trouble speaking or understanding * trouble seeing out of one or both eyes * trouble walking, dizziness, loss of balance or coordination * severe headache with no known cause If you notice any of these signs, call for help immediately. Some stroke procedures, such as thrombolytic therapy - a drug treatment known as " clot-busting " (see e-Alert " Tick Tock " 6/19/02) - can only be performed within the first hours after a stroke. In the event of a transient ischemic attack (TIA), or " mini stroke, " the symptoms will pass quickly. But more than one-third of those who suffer a TIA will later have an ischemic stroke. If you or a family member is in one of the high risk groups for stroke, don't take any chances: always seek prompt medical attention after observing ANY of the warning signs. ************************************************************** ....and another thing No doubt you've heard the phrase " the cure is worse than the disease. " To that we can now add a new homily: " the prevention is worse than the disease. " In at least one case anyway. This was my reaction to an astonishing article from the Belfast Telegraph sent to me by an HSI member named Michael. A Queen's University study in Ulster, Ireland, found that women with a family history of breast or ovarian cancer have an extremely high lifetime risk of developing those cancers. The researchers estimate that one in 500 women are in this dangerous risk group. Their solution: to prevent cancer, these women should have their breasts and ovaries removed. One of the researchers, Dr. Paul Harkin, cleared up a key point, stating, " It's important to emphasize that the choice lies with the women themselves. " What a relief! I was afraid he was going to say it was mandatory. I searched around the Internet, but couldn't find a full report of the study available. I just wanted to check and see if there were any female scientists involved in this study. I can't help but think that the answer to that is probably, " no. " Gentlemen, let's hope these scientists don't conduct similar studies on people who have a family history of prostate or testicular cancers. To Your Good Health, Jenny Thompson Health Sciences Institute ************************************************************** Sources: " Early Post-Stroke Serum Potassium Concentration and Functional Outcome among Patients with Cerebral Infarction " Abstract P03.034, 54th Annual Meeting of the American Academy of Neurology " AAN: Low Potassium Levels Soon After a Stroke Linked to Poor Outcome " DG News " Drastic Cure for Cancer " Nigel Gould, the Belfast Telegraph, 9/27/02 Copyright ©1997-2003 by www.hsibaltimore.com, L.L.C. 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