The many differences between men and women depend on the most fundamental distinction of all: Only males have Y choromosomes.

The Y chromosome is good for many things, but it may not be so good for blood pressure. European researchers have identified a genetic defect on the Y that is linked to elevated blood pressure readings.

The genetics of hypertension are complex. Many genes are involved, but at least one is unique to men. It doesn’t mean that hypertension is a man’s disease, but it does mean that some men may have to work harder to keep their pressure down. A healthful lifestyle is the place to start; it may not be macho, but it’s the manly thing to do.

Guide to Blood Pressure, low blood pressure, and high blood pressure treatment.

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