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About HOW

Welcome to the Health of Women (HOW) Study, the first ever international online study for breast cancer.

The HOW Study will track hundreds of thousands of women (and men) over time to learn what causes breast cancer, and how to prevent it.  HOW will also study long-term breast cancer survivors in order to get a better understanding of how they are beating the odds. This is the first time a study of this size and magnitude is collecting data entirely online. We are excited by this approach because it will allow us to ask every question any of us (including you) ever wanted answered. We believe this is the first study that will allow the participants to submit questions they want studied, and we are eager to hear what you want us to do!

Once you sign up to become a member of the HOW Study, you will receive periodic questionnaires that will ask questions about different health and exposure topics. Each new questionnaire will be released in a "Call to Action" email and will address a specific topic, such as reproductive health, cancer history (for those with breast cancer), environmental exposures, and much, much more. Each questionnaire should take about 60-90 minutes to fill out, and you will get a new one every three to four months.  To sign up, click the JOIN HOW button at the top of the page!