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.
Varicose veins are enlarged, twisted veins. Varicose veins can occur anywhere in the body, but are more common in the legs. Varicose veins are not considered a serious medical condition. But, they can be uncomfortable and can lead to more serious problems.And, because they may be very noticeable, they may cause people to feel uncomfortable or embarrassed.aricose veins are caused by increased blood pressure in the veins. Varicose veins occur in the veins near the surface of the skin (superficial). The blood moves towards the heart by 1-way valves in the veins.