What do poor sleeping, elevated cholesterol levels, and certain
“bedroom issues” have in common? A lot! Many health issues, such
as cardiovascular disease, erectile dysfunction, and/or diabetes
among other health problems, often share a common vascular
dysfunction. Aging plays a role in the tone of blood vessels,
but so do doughnuts, double-cheese burgers, and jumbo-sized
beers. Yet just blaming an unhealthy diet for an under-
performing vascular system is not fair either. If you don’t
remember the last time that your muscles ached from exercise
and/or live a chronic stressful lifestyle then you have more
reasons to worry about your vascular health. What in medical
jargon is called “impaired endothelial function”—where the inner
lining of blood vessels is damaged so the vasodilatation and
vasoconstriction functions are affected—is often caused by a
reduction in nitric oxide (NO). C for Stamina Many supplements
are sold to enhance NO—throughout the intake of some amino-
acids—not as a way to prevent a disease, b