Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
A text-book of hygiene: domestic hygiene and sanitary information, including articles on the human body, digestion and nutrition, the causes of disease, the effects of intemperance, food and diet, cleanliness and clothing, exercise, recreation and training, the home and its surroundings, the prevention of infectious diseases, etc
A text-book of hygiene: domestic hygiene and sanitary information, including articles on the human body, digestion and nutrition, the causes of disease, the effects of intemperance, food and diet, cleanliness and clothing, exercise, recreation and training, the home and its surroundings, the prevention of infectious diseases, etc