Know More About Cancer And Its Treatment Process - Video

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4 Jan 2022
4 mins

Cancer is a complex and multifaceted disease that affects millions of people worldwide. Understanding its nature, early symptoms, risk factors, detection methods, and treatment options is crucial for managing and combating this challenging illness. There are many types of cancer, each named for the organ or tissue where it originates, such as breast cancer, lung cancer, or blood cancer.

 

Cancerous cells differ from normal cells in that they do not respond to the body’s regulatory signals, allowing them to proliferate unchecked.

 

Is cancer curable?

 

Whether cancer is curable depends on several factors, including the type of cancer, its stage at diagnosis, the patient's overall health, and how the cancer responds to treatment. Early-stage cancers, which are localised and have not spread, are often more likely to be successfully treated. Treatments can lead to remission, where signs and symptoms of cancer are reduced or disappear. 
 

In some cases, cancer can be cured, meaning there are no traces of the disease, and it will not return. However, for some types of cancer, especially those diagnosed at a later stage, achieving a complete cure may not be possible. Instead, treatments may focus on controlling the disease and improving the quality of life.

 

What are the early symptoms of cancer? 

 

Early detection of cancer significantly increases the chances of successful treatment. Here are things you need to know:
 

1. Unusual lumps or swelling: Early detection of cancer significantly increases the chances of successful treatment. Symptoms vary widely depending on the type of cancer but may include unusual lumps or swelling.
 

2. Unexplained weight loss and persistent fatigue: Unexplained weight loss and persistent fatigue due to the body using more energy to fight the disease are common symptoms across many types of cancer.
 

3. Changes in bowel or bladder habits: Changes in bowel or bladder habits, such as frequent urination, diarrhoea, or constipation, can be early signs of cancers like colorectal or bladder cancer.
 

What are the risk factors for cancer?
 

The associated risk factors include:
 

1. Lifestyle choices: Lifestyle choices such as smoking and excessive alcohol consumption are major risk factors. Smoking is linked to lung, throat, and mouth cancers, while heavy alcohol use can lead to liver cancer.
 

2. Exposure to harmful chemicals and radiation: Exposure to harmful chemicals, such as asbestos or benzene, and radiation can also increase the risk. For instance, prolonged exposure to UV radiation from the sun raises the risk of skin cancer.


3. Infections: Certain infections, like human papillomavirus (HPV) and hepatitis, are known to elevate the risk of cancers. HPV is a significant risk factor for cervical cancer, while hepatitis B and C can lead to liver cancer.

 

What are the top treatments for cancer?
 

The main treatments for cancer include:

 

1. Surgery: This involves the physical removal of the tumour or affected tissue. It's often used for localised cancers that haven’t spread to other parts of the body.

 

2. Chemotherapy: Chemotherapy uses powerful medicines to kill or slow the growth of tumour cells. It can target cells throughout the body and is usually used for cancers that have spread or are at risk of doing so.

 

3. Radiotherapy: Radiotherapy involves using high-energy rays (like X-rays) to target and destroy cancer cells. It can be used to shrink tumours, treat localised cancer, or relieve pain from tumour growth.


 

4. Immunotherapy: This treatment works by strengthening the body's immune system to help it recognise and fight cancer cells. It can be particularly effective for cancers like melanoma or lung cancer.

 

5. Targeted therapy: Targeted therapies are designed to specifically target cancer cells by interfering with molecules that help them grow and survive. This treatment is often used for cancers with specific genetic mutations.

 

6. Hormone therapy: Some cancers, like breast and prostate cancer, grow in response to hormones. Hormone therapy blocks or lowers the levels of these hormones to slow or stop cancer growth.

 

Frequently Asked Questions (FAQ’s)

 

1. How does cancer form?

 

Cancer forms when cells in the body start to grow uncontrollably due to changes (mutations) in their DNA. These mutations can result from factors like smoking, radiation, or infections or may occur randomly. Over time, the abnormal cells can form tumours or spread to other parts of the body.

 

2. How long can someone live with cancer?

 

The lifespan of someone with cancer depends on factors like the type of cancer, its stage, and how well it responds to treatment. Some people live for many years, especially if it's detected early and treated effectively. Others may have a shorter survival time, depending on the cancer's progression and overall health. 

 

3. Can you prevent cancer?

 

While not all cancers can be prevented, some lifestyle changes can reduce the risk, like not smoking, eating a healthy diet, staying active, and limiting alcohol. Regular screenings can also help detect cancers early when they are more treatable. Vaccines, like the HPV vaccine, can prevent some types of cancer.

 

4. Does cancer have pain?

 

Cancer can cause pain, mainly if it grows into nearby tissues, nerves, or organs. The level of pain differs depending on the type, location, and stage of cancer. Pain can usually be managed with medicines and other treatments to improve quality of life.

 

5. Why does cancer return?

 

Cancer can return if some cancer cells are not completely destroyed during initial treatment and remain in the body. These cells can grow and form new tumours over time. Factors like the cancer type, its resistance to treatment, and the body’s immune response can influence whether it returns.

 

Takeaway


Cancer is a tough and often life-changing disease, but understanding it and detecting it early can make a real difference. While some cancers can be successfully treated, others may require long-term care. Staying informed and taking steps to reduce risks are key to improving overall health and outcomes. 

 

For more information on cancer, please watch the video.

 

References 

 

  1. https://www.cancer.gov/about-cancer/understanding/what-is-cancer
  2. https://www.who.int/health-topics/cancer#tab=tab_1
  3. https://www.ncbi.nlm.nih.gov/books/NBK66016/
  4. https://www.ncbi.nlm.nih.gov/books/NBK195369/
author
Dr. P. Vijay Karan ReddyRadiation Oncologist7 Years
AboutMD RT, FUICC(USA), FUICC(UK), FAROI(US), ESMO(Med Onc)
Tags :whatiscancerCancerTreatmentCancer guide video cancer symptomscancer risk factorscancer expert opinion