Woman Flexing

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We Have Stronger Immune Systems
A 2009 study by scientists at McGill University indicated that women have a built-in mechanism to protect from infection. Estrogen naturally found in our bodies suppresses an enzyme that interferes with our defense system. These findings may inspire estrogen-based treatments to boost immunity in those (ahem, men) who don't already possess the hormone.
As a reminder, always consult your doctor for medical advice and treatment before starting any program.