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Brett Kelman and Anna Werner, CBS News Illustration by Oona Zenda Becky Carroll was missing a few teeth, and others were stained or crooked. Ashamed, she smiled with lips pressed
Credit: Pixabay/CC0 Public Domain There is no evidence for the commonly held belief that nut allergens can be spread through aircraft ventilation systems, say allergy and aviation medicine specialists in
Regenerative medicine holds the extraordinary promise that future patients in need of new cells, tissues or organs will no longer have to rely on donors. Organ shortages and cell type
