In the United States, 100 proof alcohol equals 50% alcohol by volume, so every 1 ounce of 100 proof holds about 0.5 ounces of pure ethanol.

A typical whiskey is bottled at about 40–46% ABV, with cask-strength releases reaching 50–65% alcohol.

One typical 1.5 ounce shot of 40% spirit contains about 14 grams of pure alcohol.

Only a small fraction of the alcohol you drink enters breast milk, and the level in your milk closely follows your blood alcohol level over time.

No amount of alcohol during pregnancy is considered safe; experts advise complete avoidance for the full nine months.

On average, U.S. adults drink about 3 standard drinks a week by survey, and roughly 11 drinks a week based on nationwide alcohol sales.

Most NA beer contains between 0.0% and 0.5% alcohol by volume, so a full can usually adds only a tiny fraction of one standard drink.

Most non-alcoholic beers contain around 0.0–0.5% ABV, far less alcohol than regular beer but still not completely alcohol free.

Most alcohol mouthwashes contain about 14%–27% ethanol by volume, while alcohol-free formulas use other agents for germ control.

Listerine Original mouthwash has about 26.9% alcohol, most flavored antiseptic versions are near 21.6%, and Zero Alcohol lines contain none.