my veins on my hands bulging?

why are the veins on my hands blue and bulging? Do I need to gain weight or get more oxygen?
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1 Answer

I think this would be a good question for a medical professional. There could be many reasons.  It could be very normal and nothing to worry about but I would suggest if it concerns you to see a doctor.
by Level 3 User (8.5k points)

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