This PDF brochure explains the relationship between varicose veins/spider veins and vein disease. The brochure has good graphics. Clicking on this link will begin the download.
The makers of Veinocal assert that 'Veinocal strengthens and Rebuilds Veins up to 1360% Stronger than Before. Have Beautiful, Smooth, Youthful Legs Again in Weeks.'
Varicose veins or spider veins are very swollen and raised above the surface of the skin. They are dark purple or blue in color, and can look like very twisted and bulging cords. No one knows the exact cause of spider and varicose veins. Read more here.