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Recently, we received a question about whether pollutants or radon could cause ‘forgetfulness.' As a result I want to throw some light on this very complex area. We often think of symptoms that include changes in memory, memory loss and, in some cases, confusion, as some type of dementia. However there are also many other diseases and conditions where these symptoms may be present.
As yet we do not know why people get Alzheimer's and indeed whether Alzheimer's has one cause or, more likely, is multi-causal. This means scientists are looking at all types of agents, at physical changes in the brain and nervous system, at risk factors such as an individual's genetic make up, diet, age, heart disease and many other things to see if they affect how Alzheimer's disease begins and evolves.
Pollutants such as metals are also an obvious target for investigation for contributory causes for Alzheimer's. But their roles are not necessarily straight forward. In May 2011, Dorian...
Alternative Names Loss of taste; Metallic taste; Dysgeusia References Reamy BV, Derby R, Bunt CW. Common tongue conditions in primary care. Am Fam Physician . 2010;81(5):627-634. Finelli PF, Mair RG. Disturbances of smell and taste. In: Bradley WG, Daroff RB, Fenichel GM, Jankovic J, eds. Neurology in Clinical Practice . 5th ed. Philadelphia, Pa: Butterworth-Heinemann; 2008:chap 19. Travers JB, Travers SP, Christian JM. Physiology of the oral cavity. In: Cummings CW, Flint PW, Haughey BH, et al, eds. Otolaryngology: Head & Neck Surgery . 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 89.
Drug eluting stents and bare metal stents are in the news these days, especially on the business pages as companies try to prove that "mine is better". I am asked on numerous occasions by patients what they should do if they have one or the other type of stent put in. The answer to this one is quite easy. Just follow the advice of your doctor about control of your medicines , nutrition and exercise , and don't spend any time at all worrying about which one of these stents is better. Let me explain. When a tight spot (blockage or stenosis) is found in a coronary artery it is similar to when a pipe is blocked in your house, flow does not go through adequately. We try to unblock the flow of blood in the coronary artery . There are several ways to do this that involve different instruments. In the early days of intervention on coronary arteries , we used balloons to open the vessel and they worked pretty well. When they worked (80% of the time) the artery often started ...
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