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.
More varicose veins and spider veins usually appear with each additional pregnancy. Obesity. Being overweight or obese can put extra pressure on your veins. This can lead to varicose veins. Lack of movement. Sitting or standing for a long time may force your veins to work harder to pump blood to your heart.