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you need at least 60 minutes a day
1 hour per day!!!!!!!!!!!!!!!!!!!!!!!!!
== ==
At least 30 minutes per day.
teenagers need 1,200 milligrams a day
About 1 hour a day.
1gm
18mg
.3%
12 liters per day per sqm
They need some in the morning to wake them up for the rest of the day.
Adults need to drink eight to ten glasses of water per day