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Medical Students Climb Everest To Study Immunity
Mountain climbers and adventurers who aspire to ascent Mount Everest have more information on immune function and the onset of acute mountain sickness (AMS), thanks to research presented today at the 56th Annual Meeting of the American College of Sports Medicine in Seattle. A team of medical students climbed to Everest Base Camp in order to find physical factors that would reveal information about illness severity in association with immune and hormonal responses to high-altitude exposure.
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What Is Infective Conjunctivitis? What Is Conjunctivitis? What Is Pink Eye?
There is a thin layer of cells (membrane) between the inner surface of the eyelids and the whites of the eyes, called the conjunctiva. Conjunctivitis is when the conjunctiva becomes inflamed. Another name for conjunctivitis is pink eye. Inflammation causes tiny blood vessels (capillaries) in the conjunctiva to become more prominent, giving the eye a red or pink look.
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St. Jude Medical Announces FDA Approval Of The Cool Point Irrigation Pump
St. Jude Medical, Inc. (NYSE:STJ) announced U.S. Food and Drug Administration (FDA) approval of its Cool Point™ Irrigation Pump. Used in conjunction with SJM open-irrigated ablation catheters, an irrigation pump supplies a continuous flow of saline through the catheter"s inner lumen to cool the ablation electrode for more effective energy delivery. Designed to enhance physicians" ability to perform successful atrial ablations, the new Cool Point irrigation pump was developed specifically for use with the company"s IBI-1500T9-CP cardiac ablation generator and family of Therapy™ Cool Path™ irrigated catheters.
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Soaring Summer Temperatures Spell Danger: What To Do To Protect Yourself

From the west to east coast, Americans are experiencing record-breaking temperatures. Some states are reporting triple-digit numbers and the heat has been the cause of several reported deaths. "Children and the elderly are considered the most vulnerable population. It is harder for their bodies to respond to these high temperatures," said Richard N. Bradley, M.D., associate professor of emergency medicine and chief of EMS and disaster medicine at The University of Texas Medical School at Houston. "The key is not to push it too hard. Stay inside a building with air conditioning when you can. If your home does not have a/c, go to a shopping center or library. Some cities are even offering "cooling stations" to help those at-risk, especially the homeless," Bradley said. Those with pre-existing conditions like heart disease, lung disease or mental illness should also try and stay indoors. The hottest part of the day tends to be between 12 p.m. and 4 p.m., so it is best to get your outdoor activities done early in the morning or late in the evening. If you can get inside where it is cool for at least three to four hours a day, that also will help your body. Bradley offers the following tips if you have to be outside: -- Drink plenty of water -- Drink water throughout the day, even if you aren"t thirsty -- Stay away from alcoholic beverages -- If you are unable to drink sufficient fluids because you have nausea or are vomiting, contact your physician -- If someone you are with becomes confused or disoriented, call 911 for help immediately Bradley also suggests you be alert to the symptoms of heat-related illnesses such as cramps, heat exhaustion and heat stroke. Heat cramps are painful, brief muscle cramps that occur during exercise or work in a hot environment. The cramps are usually felt in the calves, thighs, abdomen or shoulders. Heat exhaustion occurs when the body is not able to maintain normal functions because of the excessive loss of body fluids and salts. In effect, the body is trying to protect itself from a greater rise in body temperature. The symptoms include: heavy sweating, intense thirst, dizziness, nausea and a weak or rapid pulse. Heat stroke is a life-threatening emergency. It is the result of the body"s inability to regulate its core temperature. As the body"s water and salt supplies dwindle, its temperature rises to extreme levels. The symptoms include: a very high body temperature above 104 degrees (although heat stroke can occur at lower body temperatures), disorientation, confusion or coma. The skin may be hot and dry or sweaty. "If you suspect someone may be experiencing any of those symptoms, it"s very important to get medical help right away," Bradley said. "It could mean the difference in someone surviving the heat or not." University of Texas Health Science Center at Houston


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