"Both varicose veins and spider veins are generally benign, but varicose veins can cause discomfort and itching and, in rare instances, can lead to serious issues like blood clots," Dr. Rednam says.

Varicose veins are fairly common, affecting around 20 percent of adults, according to Informed Health. Though anyone can get them starting as young as their 20s, they're primarily found in women ...