Return exactly one rewritten English science news headline for the original title below. Maximum 12 words. Output plain text only. Do not use HTML, Markdown, quotes, labels, explanations, bullets, numbering, or multiple options. Original title: Do breast cancer and irregular heartbeat have common risk factors and rates?
Research Highlights: A new, global analysis finds atrial fibrillation/flutter and breast cancer rates may follow similar risk factors and patterns ...

