I'm wondering where the term ballpark estimate comes from? Sometimes ballpark is said stand-alone to mean a rough estimate, as in these numbers are a ballpark.I understand it must come from baseball or some other sport.'m wondering where the term ballpark estimate comes from? Sometimes ballpark is said stand-alone to mean a rough estimate, as in these numbers are a ballpark.
You need protein for your muscles, bones, and the rest of your body. Exactly how much you need changes with age: Babies need about 10 grams a day. School-age kids need 19-34 grams a day. Teenage boys need up to 52 grams a day. Teenage girls need 46 grams a day. Adult men need about 56 grams a day.
Recommended Daily Protein Intake. 1  The average adult needs 0.8 grams per kilogram (2.2lbs) of body weight per day. 2  Strength training athletes need about 1.4 to 1.8 grams per kilogram (2.2lbs) of body weight per day. 3  Endurance athletes need about 1.2 to 1.4 grams per kilogram (2.2lbs) of body weight per day.