1207 Bodily Fluids

·51 min·1 clip

Children had the greatest antibacterial tear activity. But as kids, crying actually does help to keep infections away.

Medical educators discuss three types of human tears (basal, reflex, emotional) and their protective functions. Key finding: children's tears have superior antibacterial properties with lysozyme, explaining enhanced childhood immune defenses. Episode extends to tear film layering and saliva's historical medical roles.

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