Average testosterone in men has halved over the past 50 years, study finds

A new study reports a dramatic drop in male hormone levels. Researchers found that average testosterone in men is now about half of what it was five decades ago. The analysis compares measurements taken over the past 50 years. The decline is observed across multiple population groups. Scientists highlight that testosterone influences many aspects of health. The findings raise questions about factors driving the change. Public health officials may need to investigate potential consequences. Further research is expected to explore causes and impacts.