Juhana Tikkanen

Saliva vs. Blood Diagnostics for Hormone Testing

Diagnostic testing has a long, bloody (i.e., blood-based) history, and when a physician orders a test, the usual response is to strap on a tourniquet, pull out a syringe, and extract a venous blood sample. For some tests, though, and, especially to measure levels of steroid hormones such as estrogen, testosterone, or cortisol, a blood […]