Saturday citations: Two T rexes and new exercise guidance that scientists are not calling 'easy'

John Hammond voice: "Welcome... to Saturday Citations." We're talking about different types of T. rexes today, along with ...
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The early bone loss signs women over 40 miss until it's too late

Bone density doesn’t announce its departure. It doesn’t send a warning email or wake you up at 3 a.m. the way anxiety does.