Common fast-food meals may cause slow testosterone in men

Obesity is known to be linked to impaired testicular function, potentially resulting in androgen deficiency and sub-fertility.

While many facts are involved in the cause of obesity-related male hypogonadism, a recent study from Flinders University shows that a high fat intake from fast food meals has a strong negative effect on a man’s serum testosterone levels.

They found fast-food meals consumed by obese or overweight men have an immediate negative impact on testicular performance and testosterone production.

The study is published in Andrologia. One author is Flinders University’s Professor Kelton Tremellen.

In the study, the team examined the impact of dietary fat on testicular endocrine function showed some alarming results.

They found that the ingestion of a high-fat Fast Food mixed meal, which is a common practice for obese men, produced a 25% fall in serum testosterone within an hour of eating, with levels remaining suppressed below fasting baseline for up to 4 hours.

These findings suggest that the passage of fat through the intestinal tract elicits a response that indirectly elicits a post-prandial fall in testosterone.

The team says the observed falls in serum testosterone are likely to be clinically significant for the obese or older man with low baseline levels of testosterone.

These men are likely to be placed into a continuous hypogonadal state during waking hours if they frequently consume meals and snacks high in fat.

This will clearly have an adverse impact on both their mental and physical wellbeing, plus possibly their fertility potential.

The researchers say that overweight and obese men should minimize their fat intake and avoid inter‐meal snacking in order to optimize testicular function.

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