A person can increase testosterone by improving diet and performing cardio exercises along with yoga.
Supraphysiologic doses of testosterone, especially when combined with strength training, increase fat-free mass and muscle size and strength in normal men.
Yes, testosterone levels does influence the urge to have sexual intercourse. If you have low testosterone then the doctor may suggest you to take testosetrone replacement surgery.
There were no signicant researches which could suggest that taller men have low testosterone levels.
Excess testosterone can lead to more aggressive and irritable behavior, more acne and oily skin, even worse sleep apnea (if you already have it), and bulk you up with an increase in muscle mass.