Men who eat more meat and dairy products tend to have lower testosterone levels, according to a new study.
Researchers from the University of Eastern Finland studied the diets of 2,546 men aged 42 to 60 over four days, who were divided into four groups according to their animal and plant protein intake.
The results showed that those with the highest animal protein intake had total testosterone concentrations that were, on average, lower than those of men with the lowest intake.
The opposite association was seen among men who got more of their protein from plant sources such as legumes, grains, nuts and
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