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Why don't teeth count as bones?

The major resemblance between teeth and bones is what they're made of: hard tissue composed of minerals, such as calcium, ...
Cropped shot of a female doctor showing result of radiography on digital tablet to patient and giving diagnosis. Doctor talking to patient about medical treatment after surgery. This story is part of ...
Muscle-derived branched-chain amino acids support thermogenesis in brown adipose tissue, thereby helping maintain body temperature during impaired muscle function or physiological stress.