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Related Concept Videos

Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
Cancer02:18

Cancer

Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
What is Cancer?02:12

What is Cancer?

Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of patients who died from...

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Updated: Jun 26, 2026

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
06:46

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

Published on: September 27, 2024

Cancer occurrence.

Ahmedin Jemal1, Melissa M Center, Elizabeth Ward

  • 1Department of Epidemiology and Surveillance Research, American Cancer Society, Atlanta, GA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|December 26, 2008
PubMed
Summary
This summary is machine-generated.

Cancer occurrence varies significantly across demographics and geography. Understanding these patterns, linked to risk factors, highlights cancer

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Last Updated: Jun 26, 2026

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
06:46

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

Published on: September 27, 2024

Area of Science:

  • Epidemiology
  • Cancer Research
  • Public Health

Background:

  • Cancer occurrence is not uniform, exhibiting significant variability.
  • Demographic factors like age, sex, socioeconomic status, and race/ethnicity influence cancer rates.
  • Geographic location and time trends also play a role in cancer incidence and mortality.

Purpose of the Study:

  • To describe the variability of cancer occurrence using key epidemiological measures.
  • To analyze cancer patterns based on demographic, geographic, and temporal factors.
  • To explore the relationship between cancer variability, risk factors, screening, and treatment.

Main Methods:

  • Utilized measures of cancer incidence, mortality, prevalence, and survival.
  • Analyzed data stratified by demographic characteristics (age, sex, socioeconomic status, race/ethnicity).
  • Examined variations according to geographic location, time period, risk factors, screening rates, and treatment advancements.

Main Results:

  • Demonstrated substantial variability in cancer occurrence across diverse populations and settings.
  • Highlighted the impact of demographic factors on cancer incidence, mortality, prevalence, and survival.
  • Showcased the influence of risk factors, screening, and treatment on observed cancer patterns.

Conclusions:

  • Cancer occurrence is highly variable, influenced by a complex interplay of factors.
  • Variations linked to risk factors strongly suggest that many cancers are environmentally induced and preventable.
  • Further research into these variations can inform targeted prevention and control strategies.