>> Something else to consider is
>> the caffeine found in many nonsugar (and sugar) drinks (colas, coffee,
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> Anyways - tea has been found to be beneficial for dental health...
> (apart from potential staining, which is more of a cosmetic issue).
Some of the most healthy teas don't have a whole lot of caffeine in them, at
least not as much as colas or coffee. White tea, for example, has more
antioxidants than other types of tea, even more than green tea, and it only
has about 15-20mg of caffeine per cup. (White tea isn't very common though,
but sometimes you'll see it around.) Green tea has about the same amount of
caffeine as white tea, averaging slightly higher. Next highest is oolong
tea, and black tea is the highest with about half as much caffeine as an
average cup of coffee.
Darker teas, such as black teas, also have certain chemicals in them (I
think they are called tannins...) and one recent study was done to see if
drinking beverages with high amounts of tannins (black tea) is effective in
reducing the amount of... *gasp* mercury in the human body. (Two groups ate
a lot of fish with a known amount of mercury in it, and the control group
didn't drink tea but the experimental group did.) At the time that I heard
about this study, they were still compiling the data, so I don't know how
the study turned out. Sorry! I'll let you know if I run across anything...
I'm a big fan of tea, and I'm a dental student, so if you have any more
information about tea's benefits to dental health, please let me know of any
specific references!
--Stephen Daniels