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Medical News Today: New research may explain why evolution made humans ‘fat’

Scientists have compared fat samples from humans and other primates and found that changes in DNA packaging affected how the human body processes fat. Evolution made humans the ‘fat primate,’ researchers suggest. Our bodies need fat to store energy and protect vital organs. Fat also helps the body absorb some nutrients and produce important hormones. Dietary fats include saturated fats, trans fats, monounsaturated fats, and polyunsaturated fats, all of which have different properties. People should try to avoid or only consume saturated and trans fats in moderation because they raise…

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Medical News Today: Humans can learn new foreign words while asleep

Recent research reveals for the first time that people can learn new information while they are asleep. Learning can also occur during sleep, new research shows. Scientists already know that sleep consolidates learning of new information that we acquire during wakefulness. Now, researchers at the University of Bern in Switzerland suggest that learning can also take place during deep, or slow-wave sleep. In a study that features in the journal Current Biology, they show how associations with new foreign words can occur at certain phases of slow-wave sleep. Much sleep…

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