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Spending 340 days aboard the International Space Station between 2015 and 2016 caused changes in astronaut Scott Kelly's body, from his weight down to his genes, according to the results of the NASA Twins Study, released Thursday.The majority of changes that occurred in Kelly's body, compared with his identical brother, Mark, on Earth, returned to normal once he came back from the space station. The study results suggest that human health can be "mostly sustained" for a year in space, the researchers said.On a call with reporters Thursday, Mark thanked Scott for his service to the country and commitment to science by spending a year in space without knowing how it would affect him."I got all the glory, and you got all the work," Scott said, chiding his twin."And I got people coming to my house for tubes of blood," Mark replied in reference to the scientific samples taken during Scott's mission; Scott was collecting the same samples from himself to send back to researchers on Earth.The results show "the resilience and robustness of the human body," said Steven Platts, deputy chief scientist for NASA's Human Research Program, which coordinated the study.Coincidentally, the results are being released just in time for the 58th anniversary of the first manned spaceflight by Soviet cosmonaut Yuri Gagarin.But the much-anticipated study reveals areas that may require countermeasures or safeguards when preparing for longer space missions or missions to deep space, like Mars.The molecular, physiological and behavioral changes were divided into low-, mid-level and high-risk groups. Scott's change in body mass and microbiome were considered low-risk. Shifts in collagen regulation and blood vessel fluid management were mid-level, and genomic instability was regarded as potentially high-risk."When we go into space and experience microgravity and travel at speeds like 17,500 miles an hour, our bodies adapt and continue to function and, by and large, function extremely well," Platts said.The study, which includes the work of 84 scientists who made up 10 teams from 12 universities in eight states, all studying different aspects of the human body in space, was published Thursday in the journal 2227

Screen time use by infants, toddlers and preschoolers has exploded over the last decade, concerning experts about the impact of television, tablets and smartphones on these critical years of rapid brain development.A new study scanned the brains of children 3 to 5 years old and found those who used screens more than the recommended one hour a day without parental involvement had lower levels of development in the brain's white matter -- an area key to the development of language, literacy and cognitive skills."This is the first study to document associations between higher screen use and lower measures of brain structure and skills in preschool-aged kids," said lead author Dr. John Hutton, a pediatrician and clinical researcher at Cincinnati Children's Hospital. The study was 799

Snack bars are a common go-to snack when you need something to tide you over between meals, and there are so many to choose from. But how healthy are they? "Many are made from different products like oat, nut,” says registered dietitian Sara Scheler with Rose Medical Center. “Or some these days are made with egg whites for added protein." Scheler says you don't have to sacrifice taste for health, but you do have to be careful not to be tricked by the so-called “health bars.” "I tell all my patients to flip it over and look at the nutrition facts,” she says.Here are 3 things Scheler says to look for: A snack bar should be around 200 calories It should be high in fiber It should have about 9 grams of protein and no more than 10 grams of added sugar If you have no dietary restrictions, Scheler says be wary of bars that are sugar free, fat free or gluten-free. “A lot of times when they take the gluten out of the product, they have to put in salt and extra sugar to make it taste better,” the dietitian says. A Clif Bar, for example, has 23 grams of sugar in it. A Snickers bar has less sugar than that. Another popular bar is the Fiber One bar. It's not unhealthy, but some bars don't have enough protein or calories to hold you over to the next meal. Here are a few bars that did made the cut: The Caramel Almond & Sea Salt Bar from KIND is a great choice: 200 calories, 6 grams of protein, 5 grams of sugar and high in fiber. The Honey Almond Flax by Kashi is another good one: 150 calories, 4 grams of fiber, low sugar and 7 grams of protein. 1581

President Trump popped into a wedding reception at his golf club in Bedminster, New Jersey, on Saturday night, prompting the bride, groom and guests to chant, "USA! USA!"Groom P.J. Mongelli told CNN that Trump first dropped into the cocktail hour to meet bride Nicole Marie and other family members. Mongelli said they'd sent Trump multiple invitations but didn't know if he'd actually show up."It was a complete and utter surprise," Mongelli said.Mongelli said he asked the President for a favor -- to greet the guests at the reception.Video posted on social media showed Trump, wearing a dark suit but no tie, standing in a doorway and waving to the cheering crowd. The President motioned for the newly married couple from Staten Island to approach and they stood on either side of him, pumped their fists and led the chant, "USA! USA!" the video showed."He was such a gentleman," Mongelli said. "He was aces."Mongelli said he and his wife are both strong Trump supporters, as were most of the wedding guests. The couple got engaged at the golf club in November 2017, he said.The President was staying at Trump National Golf Club in Bedminster over the weekend and returned to Washington on Sunday. 1212

TAMPA, Florida — Many people see living in Florida as the dream, which may be why 149 people move to Tampa every day, according to a Bloomberg report. 162