Visible veins: a simple physical peculiarity or a sign to be interpreted?

Genetics: Fair or very thin skin often makes the veins more visible.
Low body fat percentage: Slim or athletic people have less adipose tissue to mask the presence of veins.
Physical activity: During exercise, blood circulation accelerates, causing temporary dilation of the vessels.
Heat: Under the effect of high temperatures, veins dilate to help regulate body temperature, making them more prominent.
In these cases, don’t panic: your veins may simply reflect good blood flow or be a characteristic of your skin.

Signs that should alert you

Be vigilant if, in addition to their mating, you notice the following symptoms: