The book How to Stop Worrying and Start Living By Dale Carnegie mentions fundamental facts to know about worry and magic formula for solving worry-some situations.

Psychologists & Doctors’ view:

• • Worry can make even the most stolid person ill.
  • Worry may cause nervous breakdown.
  • Worry can even cause tooth decay
  • Worry is one of the factors for High Blood Pressure.
  • Worry makes you tense and nervous and affect the nerves of your stomach.