How does stress play a huge roll in a teens life?

Prolonged stress can cause high blood pressure, weaken the immune system and contribute to diseases such as obesity and heart disease. It can also lead to mental health problems such as anxiety and depression—disorders that are becoming more common in youth.

Explanation:

they need it to survive

explanation:

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.