Women need 25 grams of fiber per day, and men need 38 grams per day, according to the Institute of Medicine. Eating more plant foods -- vegetables, beans, fruit, whole grains, and nuts -- is the best way and is one of the recommendations from the U.S. government's 2015 Dietary Guidelines.
The epidermis is the outer (epi in Greek meaning over or upon) of the two layers that make up the skin (or cutis), the inner layer being the dermis.
Layers of the Epidermis. 1  Stratum corneum: The outmost layer, made of dead keratinocytes with a layer of protein around them (they have undergone keratinization) 2  Stratum lucidum: Also dead keratinocytes (there is no real distinction here other than that the poor keratinocytes have died but have not finished the keratinization process)