Cancer is the most dangerous sick in the world, and also It is a very harmful condition for humans. Cancer is the uncontrolled growth of abnormal cells in the human body. When stops working standard control mechanisms in the body, cancer developed. In this condition, old cells do not die and instead grow out of control, making new, unusual cells in the body.

What are the reasons for cancer?

Variety types of reasons effect on cancer growth. Cancer-causing substances are called carcinogens. It may be chemical substances or specific molecules from tobacco smoke, environment agents, and viral or genetic factors. We can divide cancer risk factors into the following groups.

  • Biological factors [it means internal factors]. Age, gender, inherited genetic defects and skin type
  • Environmental uncovering [ ex: radon and UV radiation]
  • Lifestyle-related factors
  • Employment risk factors

Tobacco, alcohol, UV radiation in sunlight, some food-related factors can include in lifestyle factors. Employment risk factors are asbestos fibres, tar and pitch, polynuclear hydrocarbons, some metal compounds, and plastic chemicals for an instant vinyl chloride As well as bacteria and viruses that can represent the cancer causes. They are helicobacter pylori, HBV, HCV, HPV, EBV. Likewise, some drugs may increase the risk of cancer-specific antineoplastic agents, certain hormones, and medicines that cause immune deficiency.

Cancer types


There are more than 100 types of cancers in the world. They are breast cancer, skin cancer, lung cancer, colon cancer, prostate cancer, and lymphoma its symptoms are depending on the type. Treatments may consist of chemotherapy, radiation, and surgery.

Breast cancer

A disease in which cells in the breast grow out of control is called breast cancer. There are different types of breast cancer among women. The type of breast cancer depends on which cells in the breast turn unto disease. This cancer can begin in several parts of the chest. Lobules, ducts, and connective tissue would be their primary components of the breast made up. The lobules produce mike, and the canals are tubes that carry milk to the nipple. And the connective tissues surround and hold everything together. Most breast cancers begin in the lobules and ducts.

  • Type of breast cancer

There are two common kinds of breast cancer.

  1. Invasive ductal carcinoma
  2. Invasive lobular carcinoma

Skin cancer

Skin cancer growth in abnormal skin cells. There are two leading causes of skin cancer. They are the sun’s harmful ultraviolet rays [UV], and the use of UV tanning machines, as well as there, are three main types of skin cancer. Basal cell carcinoma[BCC], squamous cell carcinoma[SCC], melanoma, and Merkel cell carcinoma. The excellent news that skin cancer is if skin cancer identifies earlier, doctors can treat it.

Lung cancer

This is the leading reason for cancer deaths in the world. Lung cancer affects the lungs.  People who smoke have the best risk of carcinoma. But also occur in people who have never smoked.  Lung cancer’s features we can identify from below symptoms.

  • A new cough
  • Coughing up blood, even a small amount
  • Chest pain
  • Headache
  • Bone pain
  • Losing weight

Lung cancer also has two general types of lung cancer.

  • Small cell lung cancer
  • Non- small cell lung cancer

Risk factors of lung cancer

  • Smoking – lung cancer risk is increase by smoking
  • Subjection to secondhand smoke – even though if you don’t smoke your risk of lung cancer will increase
  • Previous radiation therapy – if you have undergone radiation therapy, there may be a change to lung cancer
  • Family history of lung cancer – if your parent, sibling or child are suffering from lung cancer also it may be a chance

Colon cancer

Colon cancer begins in the large colon. The colon is that the final a part of the alimentary canal. Colon cancer affects older adults, typically. Rectal bleeding, blood in your stool, cramps, gas or pain, and unexpected weight loss are the symptoms of colon cancer.

What are the steps reduced cancer risk

  • Get regular cancer screening tests
  • Maintain a healthy weight
  • Exercise usually
  • Eat healthy foods
  • Avoid tobacco
  • Reduce using alcohol

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