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.
Some changes in bowels habits may be considered colon cancer signs. They include: 1  Change in frequency of bowel movements. 2  Constipation. 3  Change in consistency of stool (loose or watery stools). 4  Blood in stools (either as bright red spots or dark tarry stools). 5  Rectal bleeding.