The symptoms of colorectal cancer
Colorectal cancer: Symptoms, people and risk factors for colon cancer
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The symptoms of colorectal cancer

Colorectal cancer is a really  futile disease around the globe,and we need to be fully aware about its own symptoms  in order to  diagnose it too early in case  if we want to heal it.

Colorectal cancer usually goes unnoticed in its early stages of growth. The following symptoms may be a sign of colorectal cancer:

Changes in stool habits that last for a few weeks (constipation or diarrhea, for example).
Blood in the stool.
Abdominal discomfort, such as intestinal gas, cramping or stomach pains.
The feeling that the intestines never completely empty or having constant urge to defecate.
Severe fatigue.
An unexplained weight loss.


Be aware that the presence of blood in the stool may be another explanation, such as hemorrhoids or an anal fissure. Also, certain foods can color the stool. This is the case of beet, for example.

People at risk
People over 50 years (90% of cases).
Personal or family history

. The risk increases when one has ever had colorectal cancer or polyps, or a member of the immediate family (mother, father, brother or sister) has suffered. This predisposition is not always hereditary. It can be the result of exposure to a carcinogen in the same environment, or eating habits or lifestyle.

Some genetic diseases of the colon increase the risk of colorectal cancer. The 2 most common forms are hereditary nonpolyposis colorectal cancer (or Lynch syndrome), involved in about 5% of cases of colorectal cancer, familial adenomatous polyposis and, the cause of about 1% of cases.

The latter is manifested by the appearance of a large number of polyps in adolescence.
Inflammatory bowel disease.

Being suffering from Crohn’s disease or ulcerative colitis increases the risk.

In epidemiological studies, it was found that colorectal cancer is more common in individuals with type 2 diabetes than those who do are not met.
Lack of sun exposure

It seems that the risk of contracting colon cancer are higher in areas of the world where people are less exposed to the sun. It is believed that the protective effect is due to the vitamin D produced under the effect of sunlight on the skin.
Risk factors

Some lifestyle habits contribute to colorectal cancer.

Smoking and high alcohol consumption.
Overweight or obesity.
Sedentary lifestyle.
Diet rich in red meat, charcuterie and grilled on the barbecue, and low in fruits and vegetables.


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