Evolution of Skin Pigmentation due to UV Levels and Genes Introduction Identification of a person has long been related to the color of their skin‚ as skin color is the defining measure of races. There are multiple variations in skin color throughout the globe‚ with the differences in outward appearance ranging from dark to light. But what exactly has caused this to occur? What is the underlying event that has led to so much variation in the pigmentation of a person? What selection pressures
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Pineapple (Ananas comosus) Skin Extract as main Component in making a Moisturizing Soap An Investigatory Project Presented to: Sir. Joseph Valdez A Faculty of Science Department Statefields School Inc. In Partial Fulfillment of the Requirements for SCIENCE 7 by: Angela Grace Soriano Jose Renz BrionesKyla Alessandra De AsasMiguel M. Andas September‚ 2014 Chapter I: Introduction Background of the Study Nowadays‚ people have
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Eye Eyes are the most delicate part of our body‚ as they are the window for us to the outer world. Smoking has been a common habit in the modern world. It causes biochemical changes in our bodies that accelerate aging by encouraging the destruction of collagen. Lazy eyes and cataract are caused due to heavy smoking. Smoking can cause the eyes to sting‚ water and blink more often. Television has a powerful influence in the lives of most children‚ computers have turned into an indispensable part of
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Angelo O. Tubac March 17‚ 2011 EFFECTS OF STRESS ON SKIN DETERIORATION The skin provides the first line of defense between the body ’s interior and harmful environmental insults by well-established physical and biochemical mechanisms. Physical protection mechanisms include the relatively impermeable barrier the skin provides. The skin can‚ to some extent‚ repel and absorb insults such as chemicals and ultraviolet light so that while the skin may be damaged‚ the underlying tissue is preserved. Biochemical
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Pineapple (Ananas comosus) Skin Extract as Component in making a Moisturizing Soap A Research Project III Submitted By: INTRODUCTION A.BACKGROUND OF THE STUDY Nowadays‚ people have using different herbal soap that are expensive and less effective. Our aims is to make an effective and cheaper herbal soap. Like pinapple skin ‚ Pineapple fruit has some active principles with important effect on skin - sugars and a-hydroxy-acids (AHA) as well as enzymes. These active principles are responsible
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Is your skin the color of caramel or cream? Do you care a lot about looking tanned and healthy‚ or white and clean? Let’s forget the cliché that beauty is skin deep. In reality‚ regardless of our age or sex‚ humans love to judge people by their skin color. Two thousand years ago‚ Greek and Roman women used lead paint and chalk to lighten their skin. In Asia‚ women swallowed ground pearls to achieve the same effect. Right now‚ whitening products line beauty shelves‚ and advertisements bombard us with
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is a very serious type of skin cancer that can be caused by being exposed to ultraviolet rays. In most cases‚ these ultraviolet rays usually come from the sun‚ but they can also come from other artificial sources such as tanning booths (1). Exposure to ultraviolet rays damages your skin‚ but it usually takes several years before this damage leads to health problems such as melanoma (1). The skin is made up of three layers which are the epidermis‚ the outer layer of skin‚ the dermis‚ which is the
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Rosin Hamill CU 2936 1.1 The sequence of children’s development for each age is divided into five different aspects: Physical‚ Social‚ Emotional and behavioral Communication and language‚ Intellectual and cognitive. PHYSICAL DEVELOPMENT 0 – 3 Years Physical development at this stage is usually very rapid. At birth babies depend on reflexes for movements to enable them feed or grasp whenever they touch something. By age one‚ they have much more control over their
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Source 1: The Skin Cancer Foundation website tries to inform people on how to avoid certain types of sunscreen and has facts on skin cancer you and how many brands don’t actually work. Some of the facts are that “About 90 percent of all skin cancers are associated with exposure to the sun’s harmful radiation.” The website also states that “applying one ounce to the entire body 30 minutes prior to going outside‚ and reapplying every two hours outdoors or immediately after swimming or sweating heavily”
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There are two types of skin: thick skin and thin skin. Thick skin is a type of skin that covers body parts prone to trauma and abrasions i.e. palms‚ fingers‚ sole. Thin skin‚ on the other hand‚ covers the rest of our body. The two types of skin share a lot of characteristics‚ but they also have differences which warrant a different classification. They are similar in that both are composed of 3 major layers: the epidermis‚ the dermis‚ and the hypodermis. The epidermis is where the epithelial cells
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