What is the cancer and Differences between cancer cells and Normal cells




Cancer is a disease that causes uncontrolled growth of cells in the body. This can happen in many different ways, but it all starts with a genetic mutation.


Cancer cells are very different from normal cells because they have a lot of mutations to their DNA, which causes them to grow uncontrollably. Cancer cells have four main characteristics:


-They lose their ability to differentiate into other types of cells 


-They lose their ability to die when they're no longer needed 


-They become more resistant to treatment 


-The tumor grows uncontrollably

Cancer is the uncontrolled growth of cells in the body. Cancer usually starts in a tissue that has no cancer cells, but can also start in a tissue where there are some cancer cells.



Differences between cancer cells and Normal cells


Cancer Cells


Cancer cells are abnormal cells that grow and multiply without control. These abnormal cells can be found anywhere in the body, including inside tissues and organs. Normal immune system cells and skin cells are not cancer cells.


Normal Tissue


Normal tissues are tissues that do not have any abnormal cells. For example, normal skin has many different types of cells, which include melanocytes and keratinocytes, but it does not have any abnormal cells or growths called tumors (also known as neoplasms).


Types of Cancer Cells


Cancerous tumors have many different types of cancerous cells with unique characteristics (such as shape and size). There are many different types of cancers, including lung cancer (small cell lung carcinoma), colorectal cancer (adenocarcinoma), prostate cancer (prostate adenocarcinoma), breast cancer (malignant


Cancer is a disease that occurs when cells in your body grow out of control, often forming tumors. Cancer starts with a change in the way cells divide and grow. This can happen when normal cells get damaged and then divide more often than usual, or when they don't stop dividing after they've divided enough times to form a new cell.


Cancer cells look different from healthy cells because they contain more DNA (the molecule that carries genetic information) than normal cells. That extra DNA is called oncogenes and causes cancer.


Cancer can develop from any part of the body, but most types are found in the mouth, throat, esophagus, stomach, colon/rectum, liver and female reproductive organs (breast). Some cancers also occur in other tissues such as bone marrow or blood vessels.


Cancer is a disease that occurs when cells in your body begin to grow uncontrollably. This causes the cells to divide more often than normal, and some of these cells may have changes in their genes.


Normal cells are known as non-cancerous (benign) cells. They don't grow out of control and they don't have any mutations or changes in their DNA. Cancer occurs when cancerous (malignant) cells develop instead of non-cancerous ones.


Cancerous cells are formed when mutations occur in the DNA, which can happen due to:


– Radiation exposure


– Heredity


– Smoking


– Alcohol consumption





Cancer is a disease in which cells in your body grow uncontrollably and sometimes spread to other parts of your body. Cancer can happen to any part of your body, but it most commonly affects the skin, prostate, breast and colon.


Cancer cells look different from normal cells because they do not have the same DNA. Cancerous cells also have mutations that allow them to grow and divide without limit. Cancerous cells are referred to as malignant (mal-uh-JEN-tish), meaning that they are capable of causing harm or damage to healthy tissue.


Cancer develops when DNA mutates and changes into an abnormal form. This can happen when exposure to carcinogens (cancer-causing substances) occurs over time or if an inherited gene mutation causes changes in the DNA sequence itself. For example, if you have an inherited gene mutation called Li-Fraumeni syndrome that makes you more likely to develop cancer later on in life, then you may be more likely to develop certain types of cancer as well as other diseases related



Cancer is a disease that affects the cells of an organism. Cancer is not an inherited condition and cannot be transmitted from parent to child. The main cause of cancer is genetic mutations and exposure to mutagens (or carcinogens). These are chemicals that can damage DNA; they include tobacco smoke, benzene, asbestos, ultraviolet light and ionizing radiation.


Cancer cells have a higher mutation rate than normal cells do because they have more genes on their DNA than normal cells do. On average, each human cell has about 25,000 genes, but cancerous cells have as many as 300,000 genes on their DNA. This is why cancerous tumors are so large in comparison with normal tissue; they contain many more genes than normal tissues do.


The first step in developing cancer is when mutations occur in one or more of these genes that allow them to grow uncontrollably over time. If a mutation occurs at a single location on the genome or in just one of several base pairs within the gene (a single nucleotide change), it may be harmless: if it does not affect the function of any proteins produced by that gene product then no harm will result


Cancer is a disease in which cells in the body begin to grow out of control and divide uncontrollably, forming tumors that can spread to other parts of the body.


Cancer occurs when cells develop mutations, or changes to their DNA. Mutations can be caused by exposure to substances in the environment, such as tobacco smoke and ultraviolet radiation. They also may occur spontaneously, meaning they develop without any known cause. The most common types of cancer are skin cancer ( melanoma ), breast cancer or prostate cancer .


The cause of most cancers isn’t well understood; however, it is known that individuals who have a family history of cancer are at higher risk for developing it because their cells are more likely to acquire genetic mutations over time.


There are four types of cancer: sarcoma , leukemia , lymphoma , and melanoma . Sarcoma is a rare type of tumor that originates from connective tissue like bone and fat; this type accounts for about 10% of all cancers. Leukemia is a malignancy derived from blood cells called lymphocytes ; it accounts for about 20% of all cancers. Lymphoma occurs when lymphocytes break off into

Cancer is a disease that occurs when cells start to grow out of control. Cells normally grow and divide to form new tissues and organs, but sometimes this process goes wrong. Cancerous cells are abnormal in structure or function and can no longer be controlled by the body's normal processes.


Cancerous cells can spread quickly because they have lost the ability to die when damaged. Cancerous tissue often grows back after being removed by surgery or radiation treatment, so it continues growing until it kills the patient.


Conclusion 

There are many different types of cancer, including lung, breast, colon/rectum, prostate/bilateral pelvic lymph nodes, pancreas (including pancreatic ductal adenocarcinoma and metastatic adenocarcinoma), brain (including glioblastoma multiforme), stomach, kidney/ureter, uterus/cervix uteri (endometrial carcinoma), ovaries and testes (orchitis).


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