In 2017, GrassrootsHealth expanded the supplement section on their health questionnaire to include nineteen nutrients. Today, we will provide a summary of what we found so far about supplement use among GrassrootsHealth participants. What...
The following is a commentary by Dr. Reinhold Vieth. In December 2011, the National Multiple Sclerosis Society convened a two-day meeting of 40 MS experts from around the world. They were neurologists, epidemiologists, clinical...
In September 2015, the Medical University of South Carolina (MUSC) initiated a new standard of care for pregnant women that included routine vitamin D testing and supplementation to reduce preterm birth. Results from year...
Every now and again, we see a study showing a “U-shaped” or “J-shaped” curve in relation to vitamin D status. Today we are going to explore a bit about what that means. What is...
MEASUREMENT is the key to action! It provides every individual with the information needed to make a logical, informed decision about their health. It puts you in charge! The US Preventive Services Task Force...
Our Disease Incidence Prevention (DIP) chart has been instrumental as a communication tool in clinics, doctor’s offices, and community centers across the country. It is a quick way to see how vitamin D levels...
In today’s blog, we revisit a previous analysis of 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 to evaluate articles stating “too much vitamin D” causes health problems A 2017 paper published by Kimball et al. is an excellent paper to refer to, when many news outlets continue to purport...
There was a song that was on a 78 record that I had as a child, The Churkendoose (yes, I’m really that old..) Well It depends upon, begins and ends upon, It depends on...
Published yesterday in the Journal of Medical Case Reports is a new paper from GrassrootsHealth. Titled “25-Hydroxyvitamin D variability within-person due to diurnal rhythm and illness: a case report,” the objective of this study...