| As far as sexual activity is concerned, Jacobs explained, the role of testosterone is still not well defined. |
| He found men with heart disease had lower levels of testosterone than men of similar age and character with normal coronary arteries. |
| The doctor diagnosed the condition, advising doses of testosterone over any recommended levels. |
| Androgenic products, namely androstenedione, are testosterone precursors, and transform to this hormone in the body. |
| There's a strong whiff of testosterone amidst the anti-bacterial spray and truffle odour. |
| At the pro level, muscle-enhancing drugs, such as testosterone, anabolic steroids and growth hormone, are a fact of life. |
