KFF Health News Jul 1 2025 For Brianna Henderson, birth control isn’t just about preventing pregnancy. The Texas mother of two was diagnosed with a rare and potentially fatal heart condition after having her second child. In addition to avoiding another pregnancy that could be life-threatening, Henderson has to make sure the contraception she uses doesn't jeopardize her health. For more than a decade, a small team of people at the Centers for Disease Control and Prevention worked to do just