What is Blood Alcohol Concentration (BAC)? BAC refers to the percentage of alcohol in a person's bloodstream. A BAC of 0.10% means that an individual's bloodstream contains one part alcohol for every ...

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Normal blood oxygen levels are considered 95% and higher. And while a person’s heart rate usually drops during sleep, the ...

These changes in body composition, blood alcohol levels and possibly alcohol ... it is more likely because of the normal changes in brain function that occur with age, White said.

Rodriguez was transported to the hospital where tests "confirmed dangerously high levels of alcohol in his system." His blood alcohol content was .523, which is six and a half times higher than ...