Hepatitis B is the only sexual transmitted disease that has a vaccine available
You have to answer that yourself
Answer: Internal influences may mean health hormones, as hormones are a key structure in how we function. An external influence could be sleep, as humans need sleep as a way to recharge, or diets as they have an effect on both hormones and physical durability
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