Join the next generation of the world's largest,
longest-running study of women's health

  • Female nurses or student nurses 20–46 years old in the US and Canada:
    Be part of the world-famous Nurses' Health Study! Contribute to groundbreaking research on lifestyle, environment, nurses' worklife, and women's health by giving one hour of your time online a year.
  • Nurses' Health Study is recruiting 100,000 female nurses and student nurses
    230,000 female nurses have participated since the 1970s. NHS3 is the next generation of the Nurses' Health Study!