Stress and breast cancer
1985

Stress and Breast Cancer

Sample size: 300 publication Evidence: moderate

Author Information

Author(s): T.J. Priestman, S.G. Priestman, C. Bradshaw

Primary Institution: Queen Elizabeth Hospital, Birmingham

Hypothesis

Is exposure to stress associated with an increased risk of breast cancer?

Conclusion

The study found no evidence that stress predisposes to breast cancer development.

Supporting Evidence

  • Women with breast cancer did not report more stressful life events than those with benign lumps.
  • Healthy controls reported significantly higher levels of stress exposure than patients with breast disease.
  • Personality indices were similar across all groups.

Takeaway

The study looked at whether stress causes breast cancer, but it found that women with breast cancer didn't experience more stress than healthy women.

Methodology

The study involved 100 women with breast cancer, 100 with benign lumps, and 100 healthy controls, who completed questionnaires about life stress and personality.

Potential Biases

Potential biases due to discrepancies in age and social class among participants.

Limitations

The study may not account for stress experienced before the three-year period assessed.

Participant Demographics

Women aged 25 to 60 years, with groups including those with malignant and benign breast conditions and healthy controls.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

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