The integumentary system is the physical system that forms the barrier between the external environment and the internal systems of the body. In humans, this system consists of skin, hair, nails, and ...

Prior to using this narrative, have learners create their own model of a cell in their notebooks using whatever background information or experience they might have. While exploring the narrative, ...

The skin acts as the body's first line of defense against external threats. However, as we age, the epidermis-the outermost layer of skin-gradually becomes thinner and loses its protective strength.

Perhaps best known as a immune-system boost or antidote to scurvy, vitamin C has been found to rejuvenate aging skin by reactivating genes responsible for cell growth. By promoting DNA demethylation, ...

There are now an influx of targetted creams with the goal to repair a compromised skin barrier as well as those whose INCI ...