Are testosterone levels actually declining?

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Factors Affecting Testosterone Levels

Indoor lifestyle, artificial light, chemicals, and stress are some of the factors that can impact testosterone levels. We'll take a closer look at how these factors play a role and explore their effects on testosterone production.

Is Testosterone Declining Universally?

Contrary to popular belief, the decline in testosterone levels may not be universal. It could be attributed to an aging populace rather than a widespread decrease. We'll examine the observations and data that suggest this alternative perspective.

Testosterone Levels in American Men

Studies have shown that testosterone levels in American men are declining, regardless of age. This decline is potentially due to environmental factors. We'll explore the research and findings that support this claim.

The Relationship Between Birth Cohort and Testosterone Levels

Mean testosterone levels vary by birth cohort and decline over time. This...

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