Disorders and DiseasesOncology

Cancer: Symptoms, Causes, Types, Treatment

What is Cancer? Meaning, Causes, Types, Symptoms, Diagnosis, Complications, Treatment and home remedy of Cancer...

What is Cancer?

Cancer is defined as the uncontrolled cell growth of abnormal tissues or uncontrolled growth of cells that might happen anywhere in the body.

The development of abnormal cells that divide uncontrollably and have the ability to infiltrate and destroy normal body tissue is termed as “Cancer”.

This group of abnormal cells is termed as “cancer cells.” These also called by the names like tumour cells or malignant cells.

The cancer tumour cells are able to infiltrate the surrounding normal body cells & tissues.

Frequently, it has been observed that a tumour or cancer cells might break from the original mass of cells or tissue, travel across the lymph & blood systems, and find a home in other organs wherein they continue with the uncontrolled cellular growth.

The process of the tumour cells leaving the source or origin and growing exponentially in other body parts or organs is termed as “metastasis.”

Cancer is the second leading cause of death in the world But survival rates are improving nowadays for many types of cancer.

How does Cancer Occur?

Any factor which is responsible for the uncontrolled growth of cells or tissue in the body might cause cancer.

There are various factors that have been linked to cancer development in the human body.

Some of the causes of cancer are still unclear while other forms of cancer might be triggered due to lifestyle or environmental changes. Cancer can also develop due to more than one cause.

Here are few major causes of cancer as per the research advances:

Toxic or Chemical Compound Exposures:

Chemicals including benzene, asbestos, nickel, vinyl chloride, benzidine, cadmium, cigarette smoke or tobacco, and aflatoxin might cause cancer.


HPV, EBV, Herpes virus, Hepatitis viruses B & C, Merkel cell polyomavirus, and other bacteria are under observation.

Ionizing Radiation:

Radon, Uranium, ultraviolet rays (UV) from direct sunlight, radiation from rays including alpha, beta, & gamma X-ray emissions


A great number of specific cancers are linked to human genes such as breast, prostate, ovarian, melanoma, and colorectal.

What are the Symptoms of Cancer?

The symptoms of cancer usually depend on the particular type of cancer, its location, or/and where the cancer cells have spread.

Some patients show no cancer symptoms or signs until cancer reaches to the advanced stage.

The American Cancer Society mentions various warning signs and symptoms that cancer might be there and you should seek medical attention.

Symptoms of Cancer

Here are few cancer symptoms to look out for:

  • Sudden changes in the bladder and bowel habits
  • A sore throat which refuses to heal
  • Unusual discharge or bleeding
  • Lump or thickening in the testicles, breasts, or other parts in the body
  • Difficulty in swallowing
  • Indigestion
  • Noticeable changes in the color, shape, size, or thickness of some mole or wart
  • Consistent coughing
  • Hoarseness in the voice
  • Unexplained or sudden weight loss
  • No appetite
  • Persistent vomiting
  • Nausea
  • Fevers or night sweats
  • Fatigue
  • New pain in the bones or muscles

As of now, there are more than 2 hundred types of cancer that are known to mankind.

However, there are some specific general categories into which the different types of cancer can be grouped.

Here are few depending on the cancer symptoms:


This type of cancer originates in the blood-forming tissues like the bone marrow which is also known as Blood cancer.

As a result of leukemia, several amounts of abnormal blood cells are formed and enter the bloodstream.


Cancer starting in the skin or tissues covering or lining the internal organs such as skin, pancreatic, colon, lung, or ovarian cancers.


Cancers that originate in the cartilage, bone, fat, muscle, blood vessels, cartilage, or other types of supportive or connective tissues leading to bone & soft-tissue cancers.

Central Nervous System Cancers:

Cancers that develop in the spinal cord or tissues in the brain.

Myeloma & Lymphoma:

Cancer develops in the cells belonging to the immune system.

Diagnosis of Cancer

Some type of cancers gets diagnosed during routine checkups or screening.

A proper physical examination & medical history along with the history of symptoms are the initial steps in diagnosing cancer.

Imaging observations are generally used to help the physicians diagnose any abnormality in the body.

Below are some common techniques for examining the body.

  • MRI
  • CT scans
  • X-rays
  • Ultrasound

What are the Complications of Cancer?

Types of Cancer

The most common types of cancer in men, women & children includes:

What is the Treatment for Cancer?

The cancer treatment generally depends on the type & stage of particular cancer in addition to the cancer symptoms.

In few patients, the diagnosis & treatment of cancer may happen at the same time when the cancer tissue is removed surgically.

Cancer treatment options include:

Prevention of Cancer

  • Stop smoking
  • Avoid excessive sun exposure
  • Eat a healthy diet
  • Exercise most days of the week
  • Maintain a healthy weight
  • Drink alcohol in moderation, if you want to drink
  • Schedule cancer screening exams
  • Ask your doctor about immunizations

Home Remedies for Cancer

Some of the common home remedies for cancer are consuming natural food items such as broccoli, aloe vera, soybeans, grapes, green tea.

There are natural treatments as well such as consuming vitamins, acupuncture, and certain dietary supplements.

Some alternative treatment options found to be helpful for people with cancer include:

  • Acupuncture
  • Hypnosis
  • Massage
  • Meditation
  • Relaxation techniques
  • Yoga

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