can you gain weight by drinking diet caffine free rootbeer?

Question

just want to be sure cuz thats all the soda ive been drinking


also is it true that anything you do to get your heart rate up for 30mins is considerd exercise like when singing it gets your heart rate up (a bit atleast) is that considerd exercise
?

thanks

Answer 1

When combined with other stuff you consume, the result could be different!

Answer 2

caffeine isn't the only thing that makes you gain weight