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.
Signs and symptoms of colon cancer include: 1  A change in your bowel habits, including diarrhea or constipation or a change in the consistency of your stool, that lasts longer than four weeks. 2  Rectal bleeding or blood in your stool.  Persistent abdominal discomfort, such as cramps, gas or pain.