No, not everyone can pee naturally or voluntarily due to medical conditions affecting the urinary system, though healthy humans typically can urinate 4-7 times daily under voluntary control after infancy.[wikipedia +1] Common Barriers • Urinary Retention: Bladder doesn’t empty fully (acute/chronic), often from prostate enlargement, nerve damage (diabetes, MS), or blockages; affects ~10% of men over 70, requiring catheters.[healthline] • Infants/Elderly: Reflexive urination without control until age 2-3; dementia or strokes restore involuntariness.[wikipedia] • Paruresis (“Shy Bladder”): Social anxiety prevents peeing in public (affects 7% of men); psychological, not physical.[wikipedia]