They suddenly appear on your hands, forming a discreet blue network… or clearly visible. And you wonder: Is this normal? Is this a sign of something more serious? Before you sound the alarm, let’s take a look at these famous blue veins.
Visible blue veins: when it’s completely normal

You may have noticed that your hands have blue veins, especially after exercising or at the end of the day. Good news: In many cases, this has a natural explanation.

Your skin color plays a key role
. Light or very thin skin naturally makes veins more visible. So don’t worry if you’re pale or if your skin is particularly thin: it simply makes the venous system more visible.

A matter of (skin) fineness.
With age or a very slim figure, the subcutaneous fat layer becomes thinner. Result: Veins that were previously inconspicuous become more visible. This is common, especially in older people or those with low body fat.

Moving your body causes veins to swell.
Athletes, as well as people who engage in physical activity, often see their veins more clearly defined. This is due to muscle activation, which causes blood vessels to swell. Don’t worry: once your body is at rest, everything will return to normal.

Pregnancy, a temporary disorder
. In pregnant women, blood volume increases significantly. The venous network adapts, and this can result in more visible veins, especially in the hands. Again, there’s nothing to worry about: everything returns to normal after giving birth.

And when should we worry about it?

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