Signals:
High metabolism
Weight loss
Natural slim build
Active lifestyle
This is especially noticeable in athletes and people who lose fat quickly.
2. Aging and Skin Changes
As you age, your skin naturally becomes thinner and loses elasticity. The fat cushion under the skin also decreases.Signals:
Normal aging
Reduced collagen production
Loss of skin volume
This is why older adults often have more visible veins—even with no health problems.
3. Exercise and Increased Blood Flow
If you notice your veins “pop out” during or after exercise, this is a normal physiological response.
