This is also a good opportunity to discuss important travel health issues including safe food and water, accidents, sun exposure and insect bites. Many of the problems experienced by travellers cannot be prevented by vaccinations and other preventive measures need to be taken.
Age and genetics. As you get older, the veins in your hands may become more visible. Additionally, some peopleâs veins are naturally more visible. This could be due to skin pigmentation, body fat distribution, or a variety of other genetic factors. In most cases visible veins in hands are not a sign of a medical condition, or of any other problems.
Spider veins and varicose veins are common conditions that affect many adults. These abnormally enlarged vessels, which affect women more often than men, appear most often on the legs and become more prevalent with age. Spider veins and varicose veins affect up to 50% of the adult population.