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.
Perforation of the colon or other part of the gastrointestinal tract is a medical emergency that often requires surgical repair. A patient with a perforated colon can present with symptoms such as bowel obstruction, pain with fever or chills, increased white blood cell count, nausea, diarrhea or constipation. Other symptoms include bloody stool, fatigue and jaundice.