To put this testosterone blood reading in perspective, aging men who don’t use testosterone-boosting nutrients or drugs often have very low free testosterone blood levels (less than10 pg/mLof blood). These same men often have low HDL blood test readings in the danger zone (less than40-50...
usually about 20 to 30 mmHg, whereas the pressure in the largeveinsmay become negative (lower thanatmospheric pressure[760 mmHg at sea level]; technically, measurements of blood pressure are relative to atmospheric pressure, which represents the “zero reference point” for blood pressure readings)...