why do people who start smoking at a young age and continue into adulthood have a higher risk for related diseases?​

Cigarette smoking during childhood and adolescence causes significant health problems among young people, including an increase in the number and severity of respiratory illnesses, decreased physical fitness and potential effects on lung growth and function.

because starting at a young age their lungs didnt get a chance to develop fuly  if they continue it into adulthood it does nothing to help

Explanation:

research and refer clients to community resources, such as food stamps, child care, and healthcare.one of the most important things provided is counceling and a support chain of trusted individuals who can and try to relate to their situation at hand (europa do not touch this comment)(sorry europa keeps trolling my account and he blocks all my answers)

answer(b) keep oxygenated and deoxygenated blood separate;