Why are teens more susceptible to diseases associated with inactivity?

Which action would best students ask a teacher for an assignment extension?

What is the main causes of gray hairs and balding? write your answer in 2 paragraphs

Which statement is true about common childhood infectious disease? a. children should always be given antibiotics to treat an infectious illness. b. frequency of infectious illnesses usually increases as children grow older. c. having a minor infectious illness weakens a child's immune system. d. infectious illnesses are usually mild and require no medication.