2. Of what value in the hygiene of the nervous system is the power of self-control? How is the habit of self-control formed?

3. Name several forms of activity that waste the nervous energy.

4. Name several influences that react unfavorably on the nervous systems of children.

5. How may too much reading prove injurious to the nervous system?

6. What forms of physical exercise are beneficial to the brain worker?

7. Why is the use of alcohol even in small quantities to be regarded as a dangerous practice?

8. Name several causes of nervousness.

9. What are the unanswerable arguments for preventing the use of tobacco by the young?

10. Why do cigarettes have a more harmful effect upon the body than other forms of tobacco?

11. Enumerate conditions in the schoolroom that dissipate the nervous energy of pupils; that economize it.