cause of cancer

cause of cancer

Oncology Any factor etiologically linked to the development of malignancy; >12 of CAs are linked to external factors–eg, sun/skin CA; smoking/lung CA; sexual activity/cervical CA; uncircumcised penis/penile CA
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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The cause of cancer is multifaceted, which includes both internal and environmental or acquired factors.
Breast cancer is the most commonly diagnosed cancer and the leading cause of cancer death in women and colorectal cancer is the second most commonly diagnosed cancer and the third leading cause of cancer death in women and the third most commonly diagnosed cancer in men.The drugs treating these two malignancies are expected to generate annual revenue of approximately USD25.4bn by 2023, according IMS and iHealthcareanalyst.
ISLAMABAD -- Obesity is set to overtake smoking as the biggest preventable cause of cancer in UK women by 2043, a Cancer Research UK report predicts.
BY MARTIN FRICKER OBESITY could overtake smoking as the biggest preventable cause of cancer among women in the UK in 25 years, a report by Cancer Research warns.
For men, the most common incident cancer globally was prostate cancer, while the leading cause of cancer deaths and DALYs was tracheal, bronchus, and lung cancer.
Latest figures calculated from 2015 data: Smoking remains the biggest preventable cause of cancer : Men - 32,200 cases of cancer (17.7% of all male cancer cases).
Smoking is the biggest avoidable cause of cancer, followed by excess weight, overexposure to UV radiation from the sun and sunbeds, drinking alcohol, eating too little fibre, and outdoor air pollution, a study by Cancer Research UK found.
Tobacco use, particularly smoking, is the single biggest cause of cancer in the world, responsible for more than a quarter of all cancer deaths, including cancers of the lung (71% of lung cancers are attributed to tobacco use), mouth, throat, nose and sinuses, liver, pancreas, stomach, cervix, breast, bowel, kidney and bladder.
Author Tim Key from the University of Oxford said, "Cancer Research UK supports IARC's decision that there's strong enough evidence to classify processed meat as a cause of cancer and red meat as a probable cause of cancer."
The age-adjusted death rate for lung cancer, the leading cause of cancer death in all groups, was 42.1 per 100,000 standard population for the total population, 45.4 for non-Hispanic white, 45.7 for non- Hispanic black, and 18.3 for Hispanic populations.
Over the last century several researches have been conducted on the preventable causes of cancer, Tobacco consumption has been and is probably still the leading preventable cause of cancer; Sedentary life style with all its consequences is quickly closing up to tobacco consumption as the second preventable cause of cancer.
According to the International Agency for Research on Cancer, breast cancer ranks as the fifth cause of death from cancer overall (522,000 deaths worldwide), while it is the most frequent cause of cancer death in women in less developed regions (324,000 deaths).