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- Most signs and symptoms are not caused by cancer but can be caused by other things. If you have any signs and symptoms that don't go away or get worse, you should see a doctor to find out what’s causing them. If cancer is not the cause, a doctor can help figure out what the cause is and treat it, if needed.
www.cancer.org/cancer/diagnosis-staging/signs-and-symptoms-of-cancer.html
What causes cancer? Very few cancers have a single known cause. Most cancers seem to be caused by a complex mix of many risk factors, but sometimes cancer develops in people who don’t have any risk factors. A risk factor is any substance or condition that increases the risk of developing cancer.
- How cancer starts, grows and spreads
A cancer cell doesn’t act like a normal cell. It starts to...
- How cancer starts, grows and spreads
- Overview
- Symptoms
- Causes
- Risk Factors
- Complications
- Prevention
Cancer refers to any one of a large number of diseases characterized by the development of abnormal cells that divide uncontrollably and have the ability to infiltrate and destroy normal body tissue. Cancer often has the ability to spread throughout your body. Cancer is the second-leading cause of death in the world. But survival rates are improvin...
Signs and symptoms caused by cancer will vary depending on what part of the body is affected. Some general signs and symptoms associated with, but not specific to, cancer, include: 1. Fatigue 2. Lump or area of thickening that can be felt under the skin 3. Weight changes, including unintended loss or gain 4. Skin changes, such as yellowing, darkeni...
Cancer is caused by changes (mutations) to the DNA within cells. The DNA inside a cell is packaged into a large number of individual genes, each of which contains a set of instructions telling the cell what functions to perform, as well as how to grow and divide. Errors in the instructions can cause the cell to stop its normal function and may allo...
While doctors have an idea of what may increase your risk of cancer, the majority of cancers occur in people who don't have any known risk factors. Factors known to increase your risk of cancer include:
Cancer and its treatment can cause several complications, including: 1. Pain.Pain can be caused by cancer or by cancer treatment, though not all cancer is painful. Medications and other approaches can effectively treat cancer-related pain. 2. Fatigue.Fatigue in people with cancer has many causes, but it can often be managed. Fatigue associated with...
Doctors have identified several ways to reduce your risk of cancer, such as: 1. Stop smoking.If you smoke, quit. If you don't smoke, don't start. Smoking is linked to several types of cancer — not just lung cancer. Stopping now will reduce your risk of cancer in the future. 2. Avoid excessive sun exposure.Harmful ultraviolet (UV) rays from the sun ...
A cancer cell doesn’t act like a normal cell. It starts to grow and divide out of control instead of dying when it should. They also don’t mature as much as normal cells so they stay immature. Although there are many different types of cancer, they all start because of cells that are growing abnormally and out of control.
Mar 8, 2024 · Though cancer itself isn't contagious, sometimes viruses, which are contagious, can lead to the development of cancer. Examples of viruses that can cause cancer include: Human papillomavirus (HPV) — a sexually transmitted infection — that can cause cervical cancer and other forms of cancer.
- Fact: There's no conclusive evidence linking the use of underarm antiperspirants or deodorants with breast cancer, according to the National Cancer...
- Fact: Microwave-safe plastic containers and wraps are safe to use in the microwave.But plastic containers not intended for use in the microwave cou...
- Fact: Sugar doesn't make cancer grow faster. All cells, including cancer cells, depend on blood sugar (glucose) for energy. But giving more sugar t...
- Fact: In ancient times, illness was often viewed as punishment for bad actions or thoughts. In some cultures that view is still held.If this were t...
- Fact: There's no need to avoid someone who has cancer. You can't catch it. It's OK to touch and spend time with someone who has cancer. In fact, yo...
Jan 17, 2023 · The main cause of cancer is mutations, or changes to the DNA in your cells. Genetic mutations can be inherited. They can also occur after birth as a result of environmental forces.
Jul 24, 2024 · But wrong ideas about cancer can lead to needless worry and even hinder good prevention and treatment decisions. This page provides the latest science-based information about some common cancer myths and misconceptions.
People also ask
What causes cancer?
Can a person with no risk factors develop cancer?
Why are cancers called cancers?
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What causes cancer to grow out of control?
Mar 10, 2023 · Cancer is a genetic disease. Even when due to lifestyle or environment, cancer can develop when genes experience damage. Some people inherit genetic mutations that increase their cancer risk,...
