Sleep is one of the most essential biological processes for human survival, influencing memory consolidation, emotional regulation, immune strength, metabolic balance, and even cardiovascular stability. Although it may appear passive from the outside, sleep is in fact a highly dynamic neurological event orchestrated by complex brain networks. Throughout the night, the brain cycles through structured [...]
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If your veins are visible in your hand, it is a signal of
Visible Veins: When to Pay Attention Visible veins on the hands, arms, or legs are often harmless. They may simply reflect aging, low body fat, or frequent physical activity. For athletes, in particular, prominent veins can be a sign of strong circulation and low fat percentage. However, doctors caution that suddenly noticeable or bulging veins [...]
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