Chapter 28, Problem 2CT

Summary Introduction

To determine:

The reason for dark-skinned immigrants to have more chances of vitamin D deficiency as compared to light-skinned people that are native to Sweden.

Introduction:

Skin is the largest organ in the vertebrates. It is composed of two layers: epidermis (outer layer) and dermis (deeper layer). The color of the skin is determined by the pigment known as melanin.