Are there any harmful effects of using a thermos flask? ?!

Question: Are there any harmful effects of using a thermos flask!? !?
You know the kind that keeps warm drinks warm and cold drinks cold!? My thermos can keep my drink warm for up to 6 hours!. I find it really amazing but what is the mechanism behind it!? does it cause any harm to my body!?Www@Answer-Health@Com

Thermos is a commercial name for a vacuum flask!. It work due to a vacuum being created between the inner and outer layer of the flask!. Glass ones are more effective than steel ones!. Vacuums are very bad conductors of heat!. The flask thus maintains the temperature of the content for very long periods!. It can therefore not cause any bad effects pertaining to your health providing that it is kept clean and hygienic!.Www@Answer-Health@Com

Thermos flasks have a double wall separated by a vacuum which prevents heat transfer from either direction, so keeping hot fluids warm and cold fluids cold!.

There are some risks in keeping milk warm for a long period - a thermos is not recommended for keeping babies' milk warm!. Other than that, it's a great way to keep warm soup or drinks warm in winter and cold drinks cold in summer!.Www@Answer-Health@Com

its thermally insulated
keeps hot liquid from cooling down and cold liquid from warming upWww@Answer-Health@Com

John G hit the nail on the head there, Good answer!Www@Answer-Health@Com

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