|
|
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
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.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Everyone has one nostril that is larger than the other.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.