Health news & articles | healthy living - abc news, Get the latest health news from dr. richard besser. here you'll find stories about new medical research, the latest health care trends and health issues that affect. Human nutrition - wikipedia, free encyclopedia, Human nutrition is the provision to obtain the essential nutrients necessary to support life and health. in general, people can survive for two to eight weeks without. Cdc - global hiv / aids - world aids day 2013, Each year on december 1, cdc and its offices around the globe observe world aids day to raise awareness of the impact of hiv/aids worldwide. the first cases of hiv.