Chief cause of constipation in women--Constipation a cause of domestic unhappiness--The requirements of good health--The cost of constipation--Constipation and social exigencies--One of the important duties of mothers--Constipation and diseases of women--Constipation is always harmful--Constipation and pregnancy--Explanation of incomplete constipation--Causes of constipation--Negligence--Lack of exercise--Lack of water--Lack of bulk in the food taken--Abuse of cathartic drugs and aperient waters--Overeating--Treatment of constipation in women ... PAGE 315 SEX HYGIENE FOR THE BOY CHAPTER XII "The evil that men do lives after them. The good is often interred with them." "The pleasure in living is to meet temptation and not yield to it." Elmer Lee, M. D. BUILDING OUR BOYS A Word to Parents--Interest in Sex Hygiene--The "Social Evil"--Ten Millions Suffering with Venereal Diseases in the United States--Immorality not Confined to Large Cities--Venereal Diseases Common in Country Places--What Are the Consequences of Venereal Disease to the Boy?--Gonorrhea, or Clap--Symptoms of Gonorrhea in the Male--Complications of Gonorrhea--Syphilis, or the "Pox"--How Syphilis is Acquired--Syphilis Attacks Every Organ in the Body--Not Possible to Tell When Cured--The Chancre--Systematic or Constitutional Symptoms--Mucous Patches and Ulcers--Syphilis of the Blood Vessels and Lymphatic Glands--The Interior Organs--Brain and Spinal Cord--The Nose, Eye, Ear, Throat--Hair and Nails--What the Boy with Venereal Disease May Cause in Others--The Infected Wife--A Girl's Fate When She Marries--Young Wife Rendered Sterile--Young Wife Made to Miscarry--Is the Husband to Blame?--Building the Man--Age of Puberty--"Internal Secretion." A WORD TO PARENTS.--Within recent times the subject of sex hygiene has been freely discussed by members of the medical profession and through them the general public has been made more or less acquainted with the problem. It has therefore acquired a degree of genuine interest which speaks well for the future of the eugenic ideal. Eugenics is based to a very large extent upon the principles underlying sex hygiene.