May 19, 2003
In Print Photo by Steve Gilbert From Focus: Life Span May Depend on Shifting Toward Survival, Not Putting Brakes on Metabolism A study led by David Sinclair finds that a specific gene in yeast regulates the organism's ability to live longer on a reduced diet. The gene also is responsive to other environmental stresses that extend life. By pinpointing a link between the environment and longevity, the discovery suggests that prolonging life through calorie restriction may be the result of a genetic survival program to protect organisms in stressful situations--a program that could, in theory, be manipulated.   Publications Online BBS Bulletin Focus HMI World HSTconnector MD-PhD Newsletter MedEd News Mentations On The Brain   Related Links InteliHealth Harvard Health Publications		Headlines Researchers Determine the Incidence of Sleep Disordered Breathing Tissue Engineering for Erectile Dysfunction? Study at Mt. Everest Finds Acetaminophen as Effective as Ibuprofen for High-altitude Headache Upcoming Warren Alpert Prize Scientific Symposium Alpert Prize winner; Wafaie Fawzi, Harvard School of Public Health; and Robert Russell, Tufts University Tuesday, May 27 8:30-10:00 a.m. Lab Works A multimedia site featuring Harvard Medical research		Spotlight Countway Launches New Site A new Countway Library website went live last week, which gives users more unified access to Countway services, including the Digital Library. Student Scene Photo by Jeff Cleary Premium Care Practice: Economics, Not Ideology Renee Hsia argues that premium care practices, which deliver enhanced care for premium prices, draw resources away from patients who cannot afford these more costly alternatives. To ensure the health care market does not become too inefficient, she says, insurance that supports premium-care patients should be separate from that which supports those with standard care.

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