You’re not alone.
Suddenly noticing new or more prominent veins can be unsettling. For many people, it’s completely normal — the result of aging, exercise, or changes in body composition.
But in some cases, sudden vein visibility can signal something more serious — especially if they’re swollen, twisted, or appear in certain areas of the body.
Let’s explore what causes veins to become visible overnight, when you should be concerned, and how to tell the difference between harmless changes and signs that deserve medical attention.
