make urine more concentrated.
Concentrated urine may appear darker and can sometimes produce more bubbles or foam.
Dehydration can happen because of:
- Not drinking enough fluids
- Heavy sweating
- Intense physical activity
- Illness
- Hot weather
Drinking enough fluids can often improve urine appearance when dehydration is the cause.
4. Stress
The article also discusses stress as a possible contributor.
Long periods of psychological stress may affect the body in several ways and can sometimes be associated with temporary changes in protein excretion in urine.
This does not mean that stress is