Must be calibrated for either running or walking. 1  Less accurate for interval training. 2  Not compatible with all watch-style units; foot pods and watches are brand specific. 3  Often requires separate purchase as an extra option. 4  Does not offer any navigation functions.
There are several signs that one may have a colon cancer mass including lethargy, tiredness, shortness of breath, changes to elimination of solid wastes, blood in the stools, weight changes and abdominal pain.
In the later stages of colon cancer, symptoms are more common. These symptoms of colon cancer may include: 1  A change in the frequency of bowel movements. 2  Diarrhea, constipation, or feeling that the bowel does not empty completely.  Either bright red or very dark blood in the stool.