The Association Between Smartphone Use and Breast Cancer Risk Among Taiwanese Women: A Case-Control Study

Authors: Ya-Wen Shih, Chin-Sheng Hung, Cheng-Chiao Huang, Kuei-Ru Chou, Shu-Fen Niu, Sally Chan, Hsiu-Ting Tsai

Year: 2020 Oct 29

Category: Oncology

Journal: Cancer Manag Res

DOI: 10.2147/CMAR.S267415

URL: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7605549/

Abstract

Abstract Summary

Overview

Breast cancer remains a prevalent issue worldwide. In the modern era, smartphones have become ubiquitous and are altering human lifestyles significantly. To date, the potential link between smartphone use and breast cancer risk has not been extensively studied.

Materials and Methods

  • Study Design: This research was a case-control study that included 894 healthy controls and 211 breast cancer patients.
  • Data Collection: Data was gathered using standard questionnaires focused on sleep quality, smartphone addiction, and smartphone usage patterns.

Findings

Analysis revealed notable correlations between smartphone habits and breast cancer risk:

  • Individuals with smartphone addiction were at a 1.43 times higher risk of developing breast cancer.
  • Using smartphones for more than 4.5 minutes before bedtime resulted in a 5.27 times increased risk of breast cancer.
  • A closer proximity of smartphone to the breasts was linked to a 1.59 times higher risk.
  • Carrying a smartphone near the chest or waist-abdomen area increased the risk by 5.03 and 4.06 times, respectively.

Conclusion

The study concludes that excessive smartphone use, especially before bedtime and the proximity of the device to the body, significantly heightens the risk of breast cancer. This risk is notably magnified among those with addictive smartphone behaviors.

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