href="@public@vhost@g@gutenberg@html@files@19924@[email protected]#chapi4" class="pginternal" tag="{http://www.w3.org/1999/xhtml}a">Victims of all ages—Unsuspected rottenness—Causes of the habit—Evil associations—Corruption in schools—Wicked nurses—Not an uncommon case—The instructor in vice—Local disease—An illustrative case—Other physical causes—Influence of stimulants—Signs of self-abuse—Suspicious signs—General debility—Early symptoms of consumption—Premature and defective development—Sudden change in disposition—Lassitude—Sleeplessness—Failure of mental capacity—Fickleness—Untrustworthiness—Love of solitude—Bashfulness—Unnatural boldness—Mock piety—Confusion of ideas—Round shoulders—Weak backs—Pains in the limbs—Stiffness of the joints—Paralysis—Gait—Bad positions—Lack of development of the breasts—Capricious appetite—Eating clay—The use of tobacco—Unnatural paleness—Acne—Biting the finger nails—Palpitation of the heart—Hysteria—Chlorosis—Epileptic fits—Wetting the bed—Unchastity of speech—