• Odd Experiments by “America’s First Physiologist” Shed Light on Digestion:  A fur trader who suffered an accidental gunshot wound in 1822 and the physician who saw this unfortunate incident as an opportunity for research are keys to much of our early knowledge about the workings of the digestive system. Symposium, “William Beaumont: America’s First Physiologist and Pioneer of Gastrointestinal Research,” sponsored by American Physiological Society.
  • Drug Reduces Fat by Blocking Blood Vessels:  Researchers have long known that cancerous tumors grow collections of abnormal blood cells, the fuel that feeds this disease and keeps it growing. Now, new evidence in an animal model suggests that blood vessels in the fat tissue of obese individuals could provide the same purpose—and could provide the key to a new way for people to lose weight.
  • Nearly Half of Veterans Found with Blast Concussions Might Have Hormone Deficiencies:  Up to 20 percent of veterans returning from Afghanistan and Iraq have experienced at least one blast concussion. A new study finds about 42% of screened veterans with blast injuries have irregular hormone levels indicative of hypopituitarism, the decreased (hypo) secretion of one or more of the eight hormones normally produced by the pituitary gland at the base of the brain. Many conditions associated with hypopituitarism mimic other common problems that veterans can suffer, including post-traumatic stress disorder (PTSD) and depression.
  • Cutting Back on Sleep Harms Blood Vessel Function and Breathing Control:  Researchers have tested the effects of partial sleep deprivation on blood vessels and breathing control and found that reducing sleep length over two consecutive nights leads to less healthy vascular function and impaired breathing control. The findings could help explain why sleep deprivation is associated with cardiovascular disease.
  • Two Days of Staging as Effective as Four for High Altitude Climbs:  Conventional knowledge suggests that to avoid acute mountain sickness (AMS), climbers need to “stage,” or set up camp, at a lower altitude for four days when summiting peaks as high as 4300 meters. A U.S. Army Research Institute of Environmental Medicine team has found that two days of staging at a moderate altitude may be enough.
  • More...
 
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