The answer is epidermis. Skin has three layers: The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
Food allergies, heart or lung problems, certain medical conditions, the list honestly can go on.
B, outpatient drug free treatment