Obesity rates have increased 82 percent worldwide over the past two decades, according to the World Health Organization. (Flicker/colros) A new analysis of global health data shows that the years of life lost from obesity outnumber those lost by hunger. (MORE: ) A Sudanese girl looks after her malnourished brother earlier this year. (Getty Images) Data from the World Health Organization’s Global Burden of Disease Study 2010 was unveiled late last week and will be published in The Lancet. The...

(iStockphoto/Thinkstock via ABC News Radio) NEW YORK -- Researchers have found that more than 2,000 different species of bacteria live in our umbilicus – the medical word for belly button. That means you have more kinds of bacteria in your belly button than there are different kinds of ants or birds in North America, according to a new study. The majority of these bacteria were rare and occurred in just one individual. No single type was common to all 60...

Debris stretched for miles across Joplin, Missouri. (weather.com/Tornado Hunt 2011) The Joplin tornado took more than 150 lives on May 22, 2011. Now, new studies reveal another killer lurked in Joplin that day: A deadly, flesh-eating fungus. The deadly Apophysomyces fungus killed five people in the days immediately following the tornado, according to studies by the Translational Genomics Research Institute (TGen) and the Centers for Disease Control (CDC). (MORE: Joplin Tornado Scars Those Who Covered Disaster) Together, researchers tracked 13...