Grandparents have always been important. Today, they're even more important. In busy, two-career and single-parent families, an involved grandparent goes a long way to filling a void for children. In extreme situations, the courts have found it's often a grandparent who can reach a troubled teen when no one else can.
Some people, genetically, are born with weaker or smaller veins than others - and some people are born with larger, and more flexible vein tissues. Due to genetics, some people just have poor, weak veins. This only affects the large return veins you can see however - the veins which transport the rest of your blood are likely fine. Regardless of the vein size, blood can still be drawn. I personally have smaller and weaker veins, and can still donate, but sometimes it takes a few tries.
If you experience sudden swelling of your veins along with pain, ulcers, chest pain or shortness of breath, seek prompt medical care. This could be signs of a blood clot or peripheral vascular disease. Conditions That Cause Swollen Veins. Varicose veins. One common cause of swollen veins is varicose veins and spider veins. Varicose veins appear swollen and distorted, and are dark purple or blue in color. They can occur anywhere on the body but most often show up on the legs and feet.