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SciShow Tangents
Hygiene
Sep 19, 2023
Topics discussed include teen names based on soda flavors, the history of tax tokens and fake beard tokens, shark behavior at cleaning stations, ancient hygiene practices, toxic shock syndrome and super absorbent tampons, and hygienic behavior in mandrels to avoid parasite-related illness.
45:57
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Quick takeaways
- There is no convincing evidence that aluminum in deodorant or anti-perspirant is harmful, as scientific research does not support claims linking it to cancer, Alzheimer's, and kidney disease.
- The discovery of an engraved comb from approximately 1700 BCE reveals the oldest known sentence in an alphabetic script, providing ancient hygiene advice and insight into the development of the Latin alphabet.
Deep dives
Aluminum in Deodorant and Anti-Perspirant: Is it Bad?
There is no convincing evidence that aluminum in deodorant or anti-perspirant is bad for you. The use of aluminum salts in anti-perspirants helps block sweat gland ducts, reducing sweat output. Concerns about aluminum in these products include links to cancer, Alzheimer's, and kidney disease. However, scientific studies have not found consistent evidence to support these claims. Aluminum from anti-perspirants does not accumulate in breast tissue, does not contribute to neurodegeneration, and does not pose a risk of kidney disease. Overall, the safety of aluminum in deodorant and anti-perspirant is supported by current scientific research.
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