Study controls for this, though: > After controlling for confounders—including year of study, age, race, BMI, comorbidity status, alcohol and smoking use, and

Study controls for this, though: > After controlling for confounders—including year of study, age, race, BMI, comorbidity status, alcohol and smoking use, and level of physical activity—total testosterone was lower among men in the later (2011-2016) versus earlier (1999-2000) cycles (P < 0.001)