The stool appears as hard lumps, corresponding to Bristol type 1, with a very dark brown color. Consider increasing your water intake and consuming fiber-rich foods to relieve constipation.

The stool appears somewhat hard and is a very dark brown color. This corresponds to Bristol type 2, and the health score is 55, indicating caution. Consider increasing your fiber intake and staying well-hydrated.

The stool appears to be liquid with bright red blood present. This corresponds to Bristol Stool Scale Type 7 and indicates a very unhealthy condition. Consulting a doctor is highly recommended.