I think it's Conjunctivitis (also known as pink eye)
This is how vaccines are used. You introduce the antibodies in a vaccine so the person builds up an immunity and never develops the disease
You can cool down by sweating, wearing light and breathable fabric such as cotton rather than something heavier, and slow down your metabolism
Well how many gums do u chew a day
Answer:
a, b, c
Explanation:
the last option is explaining a positive effect.