Is cancer contagious? Is cancer contagious?

As far as I know, cancer is not contagious.

Cancer is not contagious. First of all, it is not easy for cancer cells to run outside, and even if cancer cells run outside, it is not easy to colonize the person who runs to the person who runs through contact with them. After running up, most of it can be killed by the person's immune system, and it will not colonize there to produce.

Usually thinking about whether it will be contagious, everyone thinks it is liver cancer. Liver cancer does not cause infection, but what causes it? The common cause of liver cancer in China is hepatitis B.

The hepatitis B virus can be transmitted through blood, and when the person does not have antibodies to hepatitis B, it is easy for the person to breed, multiply and cause hepatitis B in the body. Liver cancer may develop as hepatitis B progresses over the years. Of course, it does not have a high rate of progression to liver cancer.

This is not called the transmission of liver cancer, but the transmission of hepatitis B virus, which can be prevented from turning into liver cancer in the future.

No, although cancer is very serious, it is a bit unfounded to worry about getting infected with cancer. To be sure, cancer patients cannot transmit cancer cells to healthy individuals.

So far, there is no scientific evidence in the world that can directly prove that cancer can be transmitted through daily lifestyles such as kissing, contact, sex, and sharing utensils. Our body's immune system is very sophisticated, it can recognize the body's own cells, and attack and eliminate foreign invading viruses and bacteria.

Tumors and cancers are not contagious, and cancer cells are not contagious, but there are some conditions that require high vigilance. For example, some liver cancer patients often have long-term infection with hepatitis B and hepatitis C viruses, and due to long-term chronic hepatitis and liver cirrhosis, they eventually form cancer of cirrhosis nodules and form liver cancer.

For common hepatitis B and C viruses, transmission may often be through body fluids or blood, but some rare cases of hepatitis A and E may be transmitted through the fecal-oral route, such as the digestive system. Therefore, it is necessary to pay extra attention to such problems, although cancer cells are not infectious, but the cancer caused by the virus may have a certain degree of viral contagion.

In addition, some patients with gastric cancer sometimes have Helicobacter pylori infection, although the cancer cells themselves are not infectious, but Helicobacter pylori has a certain degree of transmissibility. Therefore, sometimes we may have to pay extra attention to the harm caused by Helicobacter pylori infection when we are eating. In general, tumors and cancers are not contagious, but they should be wary of contagiousness caused by bacteria, viruses or pathogens.

Cancer is generally not contagious.

Cancer generally refers to the high removal of malignant tumors, which is the result of the long-term joint action of a variety of factors. For example, the activation of proto-oncogenes, the inactivation of tumor suppressor genes, and the accumulation of multiple abnormal genes will eventually lead to cancer. However, cancer is generally not contagious, but it has a familial predisposition.

In addition, staying up late, smoking, drinking alcohol, and obesity can also be risk factors for certain cancers.

The clinical manifestations of cancer patients are closely related to the size of the lesion, the location of the lesion, and the presence or absence of metastasis. In the early stages of the lesion, there is usually no significant discomfort. As the disease progresses, local symptoms such as pain and masses and systemic symptoms such as fever, fatigue, and weight loss may occur.

01Cancer cells are very fragile

Contrary to what everyone thinks, cancer cells are very fragile once they leave their original internal environment. Cancer cells run out of one person's body to another, a bit like Tang Seng going to learn the scriptures by himself, there are eighty-one difficulties on the road, and one bad pool will not be guaranteed.

02Strong immune system

The human immune system is very strong, and it is good at destroying all kinds of foreign substances, and foreign cancer cells are strange-looking, and they can be recognized and eliminated in an instant, and it is almost impossible to create new cancers.

Except in rare cases, for example, if a person dies of cancer and then, without their knowledge, his organ is transplanted to another patient, it is also possible that the cancer cells will be transplanted. Normal people have immunity, and if there is a small number of cancer cells from allogeneic bodies, they will be quickly destroyed by the immune system. However, if transplant patients need long-term oral immunosuppressants against rejection, cancer cells may multiply in new individuals, which can lead to cancer infection.

This is extremely rare.

In conclusion, there is now a general consensus in the scientific community – cancer cells are not contagious from person to person. Therefore, in the process of contacting the cancer patients around us, there is no need to be afraid to show our love and care for them. Because they have cancer, they are often the people we love and love us deeply.

If you have cancer, you will not spread it to your family.

Is cancer contagious? Finally, someone said the truth, these cancers are indeed contagious!

Cancer is not contagious, therefore, cancer is not contagious. It is advisable to take good care of the patient, as the words and deeds of the family members will directly affect the severity of the patient's condition.

Doctors are more afraid of contact with cancer tissue when operating on cancer patients, because cancer cells can be planted and infected, similar to AIDS, except that they are not transmitted by bodily fluids. Blood-borne transmission is still possible.

Cancer is caused by genetic mutations, and it is not contagious at the genetic level. Some cancers have been linked to familial inheritance.

Cancer is not contagious.

Not all tumors are called cancer, there are benign and malignant tumors, malignant tumors are called cancer, and benign tumors are not. All cancers have tumors.

The first problem is that some tumors are related to infectious factors, such as gastric cancer related to Helicobacter pylori, liver cancer related to hepatitis B virus, and cervical cancer related to HPV. From this point of view, these tumors are "infectious" to a certain extent. However, it is possible to directly take the cancer tissue and implant it in other individuals, which is possible in experiments, but it is almost impossible to achieve in reality.

The second problem is that tumors are roughly divided into malignant, benign, and borderline. "Carcinoma" is strictly defined as a malignant tumor of epithelial cells (a histological term, not **cell, there is a big difference between the two)**, and "sarcoma" is a malignant tumor of mesenchymal cells**; With the exception of some idiomatic names, "tumor" generally refers to a benign tumor.

Cancer is not contagious, it is not a virus or a bacterium, it is not a contagious disease, it is not contagious.

The so-called infection refers to the process by which one individual can develop from another individual, which is called infection. Cancer, on the other hand, may develop from one site to another, which is called metastasis, and cancer is not contagious.

Cancer is a malignant tumor of epithelial tissue, which can metastasize to local lymph nodes, or distant metastasis through the blood, for example, lung cancer can metastasize to the liver, which is the situation of hematogenous metastasis. But cancer is not contagious, and everyone should be clear about this.

Is cancer contagious? Because some people think that since sneezing can spread respiratory diseases, lung cancer should also be transmitted through the air. Since hepatitis can be transmitted through contact and food, exposure to liver cancer should be even more dangerous.

There is no scientific basis for such a claim.

Is cancer contagious? The doctor refuted the rumors and reminded that cancer infection is mainly due to these three factors.

Cancer is not contagious, but it may be closely related to infectious diseases in the process of cancer occurrence and development, and some cancers are caused by infectious diseases, but this does not prove that cancer is infectious.

Cancer is generally not contagious, and there must be three conditions for infection: the source of infection, the route of transmission, and the susceptible population. These three conditions are indispensable, so they are generally not contagious.

Most people think that tuberculosis is lung cancer, but in fact, it is different, although it is a lung disease, but lung cancer is not contagious.