Ask a doctor - What is colon cancer?

Q. What is colon cancer?

Doctor Answer is medically reviewed by SecondMedic medical review team.

Answered by Secondmedic Expert

Colon cancer, also known as colorectal cancer, is a type of cancer that starts in the colon or rectum, which are parts of the large intestine. It typically begins as a growth of abnormal cells, often in the form of polyps, which can be benign (non-cancerous) at first but can develop into cancer over time.

Here are some key points about colon cancer:

1. Location: The colon is the part of the large intestine where the body absorbs water and nutrients from food, and the rectum is the end of the colon leading to the anus.

2. Development: Colon cancer usually develops slowly over several years, and it may not cause symptoms in the early stages. As the cancer grows and progresses, it can become more dangerous.

3. Risk Factors: There are several risk factors for colon cancer, including age (it's more common in people over 50), family history, certain genetic mutations, a diet high in red and processed meats, and a history of inflammatory bowel diseases like Crohn's disease or ulcerative colitis.

4. Symptoms: Symptoms of colon cancer can include changes in bowel habits (diarrhea or constipation), blood in the stool, abdominal discomfort or pain, unexplained weight loss, and fatigue.

5. Diagnosis: Colon cancer is often detected through screening methods like colonoscopy, where a healthcare provider examines the inside of the colon with a camera. Other tests, such as fecal occult blood tests and sigmoidoscopy, can also help with early detection.

6. Treatment: Treatment options for colon cancer may include surgery to remove the tumor, chemotherapy, radiation therapy, and targeted therapy. The choice of treatment depends on the stage of the cancer and the patient's overall health.

7. Prevention: Some steps to reduce the risk of colon cancer include maintaining a healthy diet, engaging in regular physical activity, avoiding smoking and excessive alcohol consumption, and getting screened for colon cancer, especially if you have risk factors.

Colon cancer is a serious disease, but early detection and treatment can significantly improve the chances of survival and successful outcomes. Regular screenings and awareness of risk factors are essential for prevention and early intervention. If you have concerns about colon cancer, it's important to discuss them with a healthcare professional.

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Q. What is the blood pressure of a healthy person?

Doctor Answer is medically reviewed by SecondMedic medical review team.

Answered by Secondmedic Expert

The blood pressure of a healthy person is typically around 120/80 mm Hg. This is considered a normal reading and indicates that the systolic pressure (the higher number) is 120 millimeters of mercury (mm Hg) and the diastolic pressure (the lower number) is 80 mm Hg. However, it's important to note that individual variations can exist, and what is considered a healthy blood pressure range might slightly differ based on factors such as age, sex, and overall health. It's always a good idea to consult a healthcare professional for personalized guidance on blood pressure.