How a study on hormonal contraception and breast cancer was distorted
Summary
A study in Sweden examined over 2 million women under the age of 50 and found that while hormonal contraceptives are generally safe, there is a slight temporary increase in breast cancer risk among current or recent users. Despite these findings, experts say women should not stop using birth control, but note that misinformation can spread quickly online. The study was published in JAMA Oncology and highlights the challenge of communicating nuanced health information in the age of social media.Key Facts
- The study followed more than 2 million women under 50 in Sweden for over ten years.
- Researchers found a small, temporary rise in breast cancer risk among current or recent users of hormonal contraceptives.
- The overall increase in breast cancer cases was roughly from 54 to 67 per 100,000 women per year.
- The study was published in JAMA Oncology on October 30.
- Some hormonal contraceptives, like desogestrel, showed a slightly higher risk; others, like Depo-Provera, did not.
- Experts say women should continue using contraceptives and discuss any concerns with their doctors.
- The study results align with previous large studies and analyses.
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