The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

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Most infant head bumps are no big deal, and when a baby or newborn hits their head, you don’t usually need to worry. However, there are times when you should be concerned about a bump on your baby's ...

Thirty years after the sequencing of the BRCA1 cancer-associated gene, access to genetic tests and awareness about its risks are still too limited.