I know it may cause (a) but it gives a higher risk for cancer.
Answer:
They increase life expectancy and decrease population growth.
Explanation:
If less babies are dying and more families are able to raise them, then the population will flourish and more people will live to old age.
Hepatitis
transmission- oral sex
symptoms- nausea, abdominal pain,dark urine, joint pain
treatment- no specific
influenza
transmission- air (coughing,talking,sneezing)
symptoms- pain in the muscles, cough, body chills, nasal congestion
treatment-fluids and activity modifications
cancer
possible causes- changes too genes, lifestyle factors, family history
symptoms- fatigue, weight loss or gain, eating problems, swelling or lumps
treatment- chemo, surgery, hormone therapy, bone marrow
A physical change is he starts to grow hair or he gets taller
