Stress is a state of mental or emotional strain. Stress can come from any event or thought that makes one feels frustrated, angry, or even nervous in a specific situation. Stress can cause physical and emotional disorders if persists longer. Music, reading books, yoga and meditation can affect the body as well as our mind in many health-promoting ways resulting reduced the level of stress. Your heart rate, respiration, muscles, and blood pressure elevate as a result of the stress response. You're prepared to take action. It is a form of self-defence. Cortisol is the body’s main stress hormone. It interacts with specific brain regions to regulate your emotions, drive, and fear.

Adolescence is a transitional phase between childhood and adulthood, and it ends with attaining sexual maturity. Puberty is the period during adolescence when a boy or girl becomes sexually mature and capable of reproduction. It starts at the age of 11 or 12 years in girls and ends at 14 or 15 years in boys. At the end of puberty in males, testes start producing sperm and in females, ovaries start releasing eggs.

Adolescence is a transitional phase between childhood and adulthood, and it ends with attaining sexual maturity. Puberty is the period during adolescence when a boy or girl becomes sexually mature and capable of reproduction. It starts at the age of 11 or 12 years and ends at the age of 18 to 19 years. Changes during adolescence include growth, sexual maturity, mental, emotional and social changes.