Please look at the following below links which may help you in your analysis:

https://medical-clinical-reviews.imedpub.com/fluoride-fact-on-human-health-and-health-problems-a-review.pdf

https://wedocs.unep.org/bitstream/handle/20.500.11822/29338/EHC36Fluorine.pdf?sequence=1

https://www.greenfacts.org/en/fluoride/fluorides-2/05-effects-humans.htm

https://www.peertechz.com/articles/AEST-2-109.php

https://www.lenntech.com/periodic/elements/f.htm

Thanks

Isam Eldin Hussein Elgailani Thank you Sir for your contribution.

Fluorine is a necessary element for human body, mainly for teeth. But, overconsumption of fluorine can cause several health impact,such as, osteoporosis, teeth decaying, kidney failure, nurve damage, harm to muscle etc problems in human body.

Have a look to the following article:

https://www.medicalnewstoday.com/articles/154164

Muhammad Anwar Iqbal Thanks and best wishes

Fluorine gas is very irritating and very dangerous to the eyes, skin, and lungs. Exposure to high concentrations of fluorine can cause death due to lung damage.

https://www.atsdr.cdc.gov/phs/phs.asp?id=210&tid=38

Arvind Singh Thank you for your valuable contribution.

Hassan Izzeddin Sarsak