Alcohol enthusiasts love invoking the health benefits of red wine to quell their guilt as they order a second bottle of Malbec with dinner. And now they have another factoid to cite while they argue the drink's healthfulness. Researchers have found that a much-heralded ingredient in the libation, resveratrol, reduces the negative effects astronauts face when in the weightlessness of space. But it's not just good news for space travelers: "The study also suggested that resveratrol may be able to prevent the deleterious consequences of sedentary behaviours in humans," reports