The answers is bites from infected insects
Yes. It protects against 90% of cervical cancer in women, protects against 90% of genital warts in men and women, and protect against cancer in the genital area when you are older. Signs of HPV are genital warts and itching, but do not always show symptoms. It should be mandatory in my opinion because sexual partners are not always honest, and if a simple shot can prevent life threatening cancer it should be a necessity.
Answer: The Mitral and Tricuspid valves control blood flow in the heart
Explanation:
Setting a balance of how much you would be eating would be a way that you could prevent a disorder of eating. Setting limits to how much you would be eating, and also, with this in mind, having some stand, and self control would also be a way to prevent eating disorder.