Testosterone is a 19-carbon steroid hormone made from cholesterol that, as we discussed yesterday, provides a whole host of benefits. On average, a manâs body produces about 7 mg of testosterone a day, but not all of that T floating in our bloodstream can be used by our bodies. Our total testosterone can be broken down into the following three sub-types: 1. Free Testosterone. This is testosterone in its purest form.
By Tara Kuther, Ph.D. If you hope to study psychology at the graduate level, you've got options. Both PhD and PsyD degrees are doctoral degrees in psychology. They differ in history, emphasis, and logistics. PsyD: Emphasis on Practice. The PhD in Psychology has been around for well-over a hundred years, but the PsyD (Doctor of Psychology) degree is much newer.
The rationale was that the PhD is a research degree, yet many students seek a doctoral degree in psychology to practice and do not plan to conduct research. The PsyD is intended to prepare graduates for careers as practicing psychologists.