B, Matthew is skipping meals which is a harmful behavior in its self, as well as smoking and sleeping at random hours.
It's true cause a child has an developing immune system whereas adults have that already developed so the children under development are more likely to have those problems.
In males seminal vesicles and a prostate gland and paired of bulbourethral glands. secretion of these gland produces a plasmic seminal fluid which is rich in fructose ,calcium and certain enzyme the fluid is semen which increases basicity in vagina and decrease acidity.
To prevent a health risk from poor sanitation.