File:The human body and health - an elementary text-book of essential anatomy, applied physiology and practical hygiene for schools (1908) (14770641934).jpg

Identifier: humanbodyhealthe00davi (find matches)
Title: The human body and health : an elementary text-book of essential anatomy, applied physiology and practical hygiene for schools
Year: 1908 (1900s)
Authors: Davison, Alvin, 1868-1915
Subjects: Physiology Hygiene
Publisher: New York : American Book Company
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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of extra pigmentinfluenced by the rays of the sun. The skin cannot be made soft, beautiful, and whiteby means of paints andpowders. Some of themcontain poisons, suchas arsenic, and more-over they are likely toclog the openings of theglands, eventually giv-ing an ugly complexion.Washing the skin withsoft water and soap,eating fruits instead ofsweetmeats, drinkingmuch water or lemon-ade, taking plenty ofexercise in the open air,and keeping the mindfree of evil thoughtsby thinking good ones are certain aids in producing apleasing complexion and countenance. Hair growing on the face or in other regions where itis not wanted can be permanently removed only by meansof the electric needle. Therefore, it is foolish to giveheed to any of the numerous offers made by quacks in thenewspapers to sell a drug that will permanently removehair. The preparations so much advertised usually con-tain a compound of sulphur, wliich will dissolve the hairon the surface but will not kill the roots. If applied
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Fig. 118. — Hand, showing the effects ofchewing off the finger nails. 186 THE EXCRETORY SYSTEM several times, the skin becomes very sore and the hairtends to become thicker. The Nails. — The nails are hardened epidermis. Theyprotect the ends of the fingers if they are not cut tooshort. The very bad habit of chewing off the ends of thenails causes short and blunt fingers. The nails should be filed off every morn-ing even with the fingertips, and the dirt shouldbe removed from be-neath the nails each timeafter washing the hands.Growths on the Skin.Warts are overgrowthsof the epithelial cells.Their cause 4 s notknown. They are notharmful and may beeasily removed by aphysician, but are in noway affected by anywords a fortune tellercan say. Moles are slight elevations of the epidermiscontaining an increased growth of hair. They are usuallyinherited. Cancer is probably not, as was once thought, the resultof germs growing in the tissues, but is due to the cells ofthe body becoming derang

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