Alcohol decreases testosterone levels by affecting hormone regulation between the brain and gonads.

"Yes, of course. Alcohol testers use oxygen, blood, or urine samples after one uses alcohol to detect the level of insulin. When alcohol is induced, your body automatically releases insulin to keep your body in regulation."

They're different for every state, but they all have the "big three":

- You can't sell alcohol to a minor.

- You can only sell alcohol during specified times and days.

- You can't sell alcohol to a person who is already obviously intoxicated.

No. It is against regulation for a minor to be in possession of alcoholic beverages and minors can be arrested for serving alcohol if they are caught.

Laws that regulate distribution, sale and purchase, and manufacture of alcohol in the US are a matter of municipal, township, county, state, and federal laws. All levels of US government have rules, policies, and regulations dealing with matters related to alcohol.