A red face is not a sign of health; it is usually a sign of high blood pressure, thin skin and delicate, swollen veins.

A red face is not a sign of health; it is usually a sign of high blood pressure, thin skin and delicate, swollen veins. These problems are caused by salt sensitivity/sodium retention/fluid retention and can be quickly and safely reduced by cutting down on salt/sodium and salty food.
See Fat Man with a Red Face.