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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.