Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, active portion your body can actually ...

Whenever one experiences growth hormones, peptide hormones, thyroid hormones, stress hormones or sex hormones, the body's chemical messengers play a key role in many essential bodily functions and ...

Following your doctor’s instructions is the most important part of preparing for a blood test. Sleeping well, staying hydrated, and avoiding certain foods and drinks can also provide benefits. Blood ...