Answers:
No.
Just do some cariovascular excersises to sustain circulate the blood and fade them.
Good luck!
mainly your genes and afterwards standing for long period. Its not usualyy too serious, a short time ago looking bleak. Try to rest your legs regularly.
No clots. My mother have have them since have children and I hold them and my childlike daughter have them and my husband. Wow! Nothing serious will come of it. They can be reduced by a physician or even stripped.