Have you ever noticed your veins suddenly looking darker, more raised, or easier to see? This is common and usually not a sign of anything serious. Vein visibility can change quickly depending on factors like temperature, hydration, activity, and how long you’ve been sitting or standing. Most of the time, your body is just responding normally to its environment.
Why veins can stand out more:
Heat: Warm weather or hot showers can make veins expand.
Exercise: Blood flow increases during activity, making veins more noticeable.
Dehydration: Less fluid in the body can make veins more prominent.
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