Just say the words gonads, testosterone or any of the unprintable slang associated with testicles, sex, and male virility and you’ll get a laugh or at least amused looks. Now, say those words again, but in a context that says, “You’re going to lose that capability, son,” and watch what happens. The collective scream you hear is shrill enough to replace the air raid sirens America abandoned in the 1980s.
New research so fresh that it hasn’t yet appeared in a journal article says flat out that eating sugar reduces testosterone levels in the blood by up to 25 percent across the board. The researchers found 74 men at Massachusetts General Hospital with a range of tolerances to glucose (42 normal blood sugar, 23 impaired glucose tolerance “prediabetic” and 9 actually with Type-2 Diabetes) and gave them 75g of a glucose solution. In many cases, the effect lasted at least 2 hours after ingestion and affected all types of men in the study. Of 66 men listed as having normal testosterone levels in a fasting state before the test, 10 developed a hypogonadal (low testosterone) state at some point during the two hours of the test.i
