A common condition that affects many adults is known as spider veins or varicose veins. This condition is characterized by abnormally large vessels which affect more women than it does men. It often appears on the legs and becomes more prevalent as you get older. They affect up to 50% of the adult population. However, it does help to identify spider veins and varicose veins early on so that you can treat it as soon as possible. What basically happens is that over time the veins can become engorged and dilation of the affected blood vessels takes place. Standing or sitting for prolonged periods is a common cause of varicose veins. This usually happens when pooling of blood and pressure increases inside the vein. This can happen for various reasons. If you suspect that you may have this condition, then the spider vein Doctor Melbourne women use is recommended.