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Newsletter Archive


December 10, 2014

Your Data, Your Answers - Latitude 

The GrassrootsHealth D*action cohort, comprised of 7,123 members, is spread across 51 different countries. With such a diverse sample population, does location as measured by latitude play a part?


December 3, 2014

Measurement is the Key to Action 

MEASUREMENT provides every individual with the information needed to make a logical, informed decision about their health. In this newsletter we discuss how it puts you in charge. 


November 26, 2014

Thank you for your support 

On the eve of Thanksgiving we would like to take the time to thank you, our participants and followers, for all the work that has been done since we founded GrassrootsHealth in 2007. 

November 19, 2014

You Ask Lots of Questions 

We cannot answer all of your questions in one newsletter. Instead, we want to tell you how those questions are guiding us, who is along for the ride, and how you can look forward to more answers going forward. 


November 5, 2014 

Vitamin D and Age

In this issue of our newsletter we revisit the D*action cohort for more of Your Data, Your Answers. We analyze the data many different ways and this month we wanted to show you how your vitamin D replete community looks with respect to age. 


October 29, 2014

Vitamin D Day 

As Vitamin D Day (November 2) approaches, we can all do our part to help spread the word about this deficiency epidemic. I hope you all take a moment to review some of the basic facts about vitamin D below and then share the information with others. 


October 23, 2014 

Vitamin D for Public Health Seminar

This seminar, presented by UC San Diego School of Medicine and GrassrootsHealth, has been developed as an educational opportunity to present and discuss the science of vitamin D and sunshine. The objective of the meeting is to leave with an implementation plan for your group – using vitamin D and sunshine to optimize health.


October 15, 2014 

Vitamin D and Gender

In this newsletter we give you a peek at some of the D*action data as it relates to gender. Sometimes the data is surprising and other times, it is what you expect.  Either way, you have to look at it to know.

October 8, 2014 

The Benefits of Sunshine

The sun can help our health when we use its power wisely, and avoiding it can be detrimental. GrassrootsHealth asked some of our panel of experts about sunshine, and compiled some of their responses to share with you.

October 1, 2014 

Prevent Breast Cancer 

At GrassrootsHealth, October is Breast Cancer Prevention Month.  We don't need a special month to be aware.  Let's change the focus this month - let's prevent breast cancer.


September 24, 2014 

Common D*action Questions  

This newsletter is dedicated to answering common questions regarding D*action, the process, the blood spot kit itself, and Vitamin D health in general.  


September 17, 2014 

Taking Vitamin D Out to Your Community  

Take *action!  GrassrootsHealth has developed a platform that will kickstart Protect Our Children NOW! in your community. 


September 10, 2014 

The Do-It-Yourself Model of Health  

This newsletter is the second in a three-part series about GrassrootsHealth and the results of our crowdfunded D*action project.

September 3, 2014 

Who Cares About Vitamin D?  You Do!

This newsletter is the start of a three-part series on crowdfunding. It has become a wave for startup companies on the Internet, but from our knowledge GrassrootsHealth is the first public health project to be crowdfunded.

August 27, 2014 

Is Daily Dosing Important?

The mainstream medical field thinks of vitamin D only for bone health but we want them to broaden this perspective to include proper cell growth and healing. Dr. Bruce Hollis demonstrates why treatment of vitamin D for these two things are vastly different - how vitamin D is absorbed into the system, used, and then stays in the system to continue to heal.

July 16, 2014 

Diabetes Prevention with Vitamin D

April 1, 2014

New Endorsements, Low April Vitamin D Levels 

February 18, 2014

Vitamin D Controversy 


January 11, 2014

News From GrassrootsHealth