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What determines how flexible you are?A person's flexibility is determined by many factors, including the structure of their joints, length of their muscle fibers and suppleness of their connective tissues.
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What is the science behind déjà vu?Déjà vu, the feeling of having experienced something before, is very common, but why does it happen?
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Rest and digest: The parasympathetic nervous systemThe parasympathetic nervous system is the housekeeping manager for the body.
