answersLogoWhite

0


Best Answer

Mass muscle is determined by several factors: testosterone, age, genetics, exercise, food, etc. those values determine your muscle muscle mass, by injecting huge amounts of synthetic testosterone your body muscles start to grow accordingly.

There are a many list of side effects, like testicles shrinking (because they aren't used to make testosterone anymore), hearth problems, acne, etc.

User Avatar

Wiki User

13y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

14y ago

It temporarily increases testosterone and adrenaline pumping through the blood stream to increase strength and temper.

This answer is:
User Avatar

User Avatar

Wiki User

13y ago

it will make you strong

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What does injection of steroid do?
Write your answer...
Submit
Still have questions?
magnify glass
imp