What’s the Big Deal with the Questionnaire?
Insight on how GrassrootsHealth collects data, why we collect the data we do, how it is used to help you with your health decisions and to move research into practice Becoming a participant of...
Nutrient Reference Range vs Optimal Range
What’s the best nutrient level for health? Lab test results often come with a set of numbers next to the result called a “reference range.” What does this mean, and does it represent the...
Vitamin D Supplementation Resulted in Lower Rates of Advanced Cancer and Cancer Death
A secondary analysis of the VITAL trial results found a decreased risk of advanced cancer with vitamin D supplementation with normal BMI Vitamin D has known anticancer effects, and much research has been published...
What is the Value of a Cohort Study, Compared to RCTs?
Studies and Statistics Part 4: Cohort Studies There are many different types of nutrient research studies, including randomized controlled trials (covered in a recent post), cohort studies, case-control studies, and cross-sectional studies. In this...
Randomized Controlled Trials for Nutrient Research?
What is a randomized controlled trial, and is it the best type of research for the effect of nutrients on health outcomes? There are many different types of nutrient research studies, including randomized controlled...
Thankful for YOU and Your Passion for Health
We are excited for you and what you are helping to accomplish! Your continued support and contributions are moving nutrient research into practice – here’s one of our favorite examples of how. On Tuesday,...
Type 2 Diabetes Risk Decreases as Vitamin D Serum Level Increases
D2d trial analysis finds strong relationship between those with higher vitamin D levels and a lower risk of type 2 diabetes after insignificant findings by supplement group Several studies have shown a decrease in...
Estimating Disease Burden at a Population Level
Incidence, Prevalence, and Mortality – how are death and loss of health due to a disease within a population measured? Studying health outcomes and risk factors at a population level is an important part...
Current Recommendations are Too Low
Our vitamin D myth busting series continues with one of the most important-to-address myths about vitamin D – that the current recommended daily allowance (RDA) of 600 IU per day, from all sources, and...
Vitamin D Supplementation Could Prevent and Treat Influenza, Coronavirus, and Pneumonia Infections
GrassrootsHealth, in collaboration with D*action Scientist Panel Member Dr. William Grant and others, have published a paper titled Evidence that Vitamin D Supplementation Could Reduce Risk of Influenza and COVID-19 Infections and Deaths. Click...