What are the signs of a colon that is not functioning properly?

When sufferers finally visit a physician, they usually relate a history of one or more of these complaints that go back years-constipation, coated tongue, fetid breath, shallow complexion, dark circles under the eyes, abnormal body odour, cold hands and feet, blood pressure up or down, brittle nails and hair, saggy posture (pot belly), tension, fatigue, allergies, indigestion, menstrual problems, swelling of legs, asthma, backache, and loss of memory or concentration.