Blogs

The relationship between testosterone and anger is more complex than popular culture suggests. Research shows that low testosterone, not high testosterone, is more commonly linked to irritability, mood swings, and reduced frustration tolerance in men. The "roid rage"...

The key testosterone biomarkers every man should test include total testosterone, free testosterone, SHBG, LH, FSH, and estradiol. Together, these markers provide a far more complete picture of hormonal health than total testosterone alone, since two men with...

Perimenopause testing typically includes FSH, estradiol, LH, and TSH as core hormone labs, with additional tests like progesterone, testosterone, and DHEA-S adding a more complete picture. Because hormone levels fluctuate significantly during this transition, a single...

High intensity interval training (HIIT) has been shown in multiple studies to increase testosterone levels, both immediately after a single session and over weeks of consistent training. Research suggests HIIT produces a stronger hormonal response than steady,...

Smoking is linked to lower testosterone and reduced fertility in men, though the research is more nuanced than a simple yes-or-no answer. Some studies show smokers have slightly elevated measured testosterone due to changes in binding proteins, while the overall body...

Sex does cause a temporary, short-lived increase in testosterone, but research shows this spike does not translate into lasting or significant changes in your baseline testosterone levels. Both sexual activity and short periods of abstinence have been shown to...