You glance at your arms or legs one morning and notice something new — veins that seem to have appeared overnight. They’re bluish, maybe slightly raised, running in patterns you swear weren’t there before. The question hits instantly: Is this normal, or is something wrong? The truth is, veins that suddenly become more visible aren’t always a cause for concern. Sometimes it’s a harmless change tied to fitness, weather, or aging. Other times, it can signal circulation issues or underlying health problems. The key is knowing the difference. Why Veins Become More Visible Several natural factors can make veins stand…