Yes.
But too much of anything is never good. Balanced portions are always important.
I believe the answer is C - A company opens a new factory and employs more workers.
Answer:Here
Explanation: Circuit training is a high volume but low resistance weight workout with 2-3 minute rest intervals involving cardio, and is focused on improving muscle tone and definition while also improving cardiovascular fitness. It is a popular way of working out, especially if you are looking for variety in your workouts.
I believe the answer is c. Herpes and HIV are STD's so it's like stuck with you. :) Hope this helped!