shampoos also come from tropical trees. Many tropical forest plants evolved chemical defenses against the insects that would eat their leaves. These active chemicals often have‚ by coincidence‚ physiological effects on us. Think of aspirin‚ caffeine‚ digitalis‚ and quinine. Perhaps a third or more of western medicines had their origins as plant defense chemicals‚ and most of these have been from tropical forests. They include chemicals to treat rheumatism‚ diabetes‚ muscle tension‚ malaria‚ heart conditions
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Endangerment is a broad issue‚ one that involves the animals as well as the environments where they live and interact with one another. In order to solve or even slightly elevate this problem‚ every aspect must be studied. So exactly what could cause the endangerment of animals? There are several factors of which only a few will be discussed. One of the main aspects is that of habitat destruction. Of course our planet is continually changing‚ causing habitats to be altered and modified‚ but
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Congested Heart Failure (adapted from McGraw Hill Case Studies) Chief Complaint: 74-year-old woman with shortness of breath and swelling. History: Martha Wilmington‚ a 74-year-old woman with a history of rheumatic fever while in her twenties‚ presented to her physician with complaints of increasing shortness of breath ("dyspnea") upon exertion. She also noted that the typical swelling she’s had in her ankles for years has started to get worse over the past two months‚ making it especially
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Depression in the Elderly Depression later in life frequently coexists with other medical illnesses and disabilities. In addition‚ advancing age is often accompanied by loss of key social support systems due to the death of a spouse or siblings‚ retirement‚ and/or relocation of residence. Because of their change in circumstances and the fact that they’re expected to slow down‚ doctors and family may miss the diagnosis of depression in elderly people‚ delaying effective treatment. As a result
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Whether Dante’s Divine Comedy has made a lasting impression on society is not an interesting debate. Dante’s work continues to inspire new generations studying the words almost 700 years after they were written. But how Dante’s work is used today has changed from his purpose for the Comedy. Dante wrote that the purpose of the Divine Comedy is “to remove those living in this life from the state of misery and to lead them to the state of bliss” in his letter to Cangrande‚ his patron. However‚ the
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Fibroadenoma in Gynecomastia Following Low Dose Methotrexate Therapy for Rheumatoid Arthritis in a 48-Year-Old Man Benign proliferation of glandular tissue in the male breast is a common disorder. Approximately one third of normal adult men are affected‚ most often after 50 years of age [1]. Some pathologic cases of breast enlargement are the result of renal ‚ hepatic‚ nutritional‚ or endocrine dysfuction‚ and several drugs have also been implicated in the origin of gynecomastia [2]. Methotrexate
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Endangered Species By: Jennifer Petley There are currently only 30 individual Amur leopards left in the world‚ the hawksbill turtle has been deemed “critically endangered”‚ the black-footed ferret who was once thought to be globally extinct has only a population of 1000‚ the black rhino was said to be “doomed to disappear from the face of the earth” in 1961‚ and the Saola deer has an estimated population of a few hundred at a maximum‚ or possibly only a few dozen at a minimum. There are many
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this assessment? Choose one answer. a. Continue to monitor the patient for heart failure. b. Withhold the next dose of furosemide. c. Document the findings and reassess in 1 hour. d. Check the patient for other symptoms of digitalis toxicity. Question 4 Marks: 1 The physician has ordered the adrenergic drug doxazosin (Cardura)‚ an antihypertensive drug‚ for a patient. When providing education about this drug‚ the nurse should include which instructions? Choose one answer
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Biology Task To investigate the effect of some factor affecting pulse rate Aim TO investigate how exercise affects the pulse rate. To do this‚ we took our normal pulse rate and then compared it with the pulse rate after exercise (walking). We kept all other factors constant so as to study the effect of exercise on pulse rate. Introduction Our heart is a muscle. It’s located a little to the left of the middle of our chest‚ and it’s about the size of our fist. There are lots of muscles all over
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Sodium‚ Hypertension‚ and an Explanation of "Lag Phenomenon" in Hemodialysis Patients Author: Zbylut Twardowski‚ MD‚ PhD I. INTRODUCTION Healthy kidneys clean your blood by removing excess fluid‚ minerals‚ and wastes. They also make hormones that keep your bones strong and your blood healthy. When your kidneys fail‚ harmful wastes build up in your body‚ your blood pressure may rise‚ and your body may retain excess fluid and not make enough red blood cells. When this happens‚ you need treatment
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