Florida mayor urges water limits because of COVID-19 surge

The mayor of the Florida city of Orlando asked residents on Friday to stop watering their lawns and washing their cars immediately, saying water usage needed to be cut back because of the recent surge of COVID-19 hospitalizations.

Whiter teeth, without the burn

Most people would like to flash a smile of pearly whites, but over time teeth can become stained by foods, beverages and some medications. Unfortunately, the high levels of hydrogen peroxide in dentists' bleaching treatments ...

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Oxygenation

Oxygenation may refer to:

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