Can Testosterone Increase Size In 2021 Can testosterone increase size? one of the most common questions asked by men in 2021. Testosterone, it’s one of those things that everyone think’s causes aggression, impatience road rage and violence, But Testosterone has a bigger job than just making the world believe it’s some big bad hormone. Testosterone plays an important part in a man’s health and immune system that may surprise you. For example, did you know that testosterone can actually reduce anxiety in men? Or, that women have need…