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.
Symptoms often associated with colon problems include blood in your stool, recent change in bowel habits, unexplained weight loss, or persistent stomach pain or cramping. However, these symptoms might be caused by something else, so it is important to see your doctor if you are experiencing any of them.