tags w55c
The thyroid, which can have hyperthyroidism or hypothyroidism

​Very important information about hyperthyroidism and hypothyroidism

Jul 21, 2020

When your thyroid doesn't work properly.

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A man clips his ear hair

​Why do we have hair on our ears?

Jun 10, 2020

Why does it grow there?

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A scratch n sniff sticker

​How do scratch-and-sniff stickers work?

Jun 03, 2020

The science behind the smells.

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