Need care during the outbreak? Learn how DHPV can help

Need care during the outbreak? Learn how DHPV can help

Most Cancer Mutations Are Caused by Random DNA Copying Errors

Most Cancer Mutations Are Caused by Random DNA Copying Errors

The Washington Post reports that a new study reveals that “more than two-thirds of cancer causing mutations are the result of random mistakes in DNA replication that occur when normal cells divide.” Humans have more than a trillion cells, which are constantly regenerating to create new cells. The scientists said that each time a cell regenerates, an average of three mistakes occur. Most mistakes will be fine, but some of these mistakes affect genes that will promote cancer.

Due to earlier studies the Hopkins researchers published stating that 40% of cancers can be prevented, they wanted to stress the “bad luck” factor with this study. While maintaining a healthy lifestyle can help to prevent cancer, it is important to remember that a large percentage of cancer mutations will occur regardless of a healthy lifestyle.

Another report from the Los Angeles Times says that investigators found that only 5% of cancer-causing mutations are inherited genetically. The same researchers reported that 29% are linked to environmental factors, such as applying sunscreen and getting vaccinations and the remaining 66% are caused by random errors in DNA transcription.


Dr. Steven Lipsky

Steven J. Lipsky MD, FACEP has been a Board Certified Emergency Physician in Arizona for the last 41 years, and a resident of the Town of Paradise Valley for the last 40 years. He received his Doctor of Medicine degree from New York University School of Medicine and did post-graduate training in Family Practice at St. Joseph’s Hospital and Medical Center in Phoenix before going into the full-time practice of Emergency Medicine in 1975. Dr. Lipsky has worked in every type of Emergency Department in Arizona – from inner city and rural, small volume and large, public and private hospitals, teaching and nonteaching hospitals. He has taught at the Midwestern University Arizona College of Osteopathic Medicine – Division of Clinical Education, as well as in Kirksville College of Osteopathic Medicine Arizona. He has received the highest number of patient satisfaction letters in his group at multiple facilities and has been recognized at Paradise Valley Hospital for his outstanding performance. A past president of the Arizona College of Emergency Physicians (representing over 800 Emergency Physicians in our state) along with many other positions in the organization, Dr. Lipsky was also one of six Councillors representing Arizona to the National Council of the American College of Emergency Physicians. Dr. Lipsky built, owned, and was the Medical Director for the first 24hr free-standing Emergicenter and Advanced Life Support Ambulance Service in Jamaica. In conjunction with USAID, Cornell Medical Center’s School of Public Health, the Ministry of Health and Environmental Control of Jamaica, and the U.S. Peace Corps, he participated in a successful program to stem infant mortality in rural areas.

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