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Damaging Health Effects of Lead

There is no safe level of lead, yet nearly 70% of GrassrootsHealth participants have detectable levels, and 20% have levels above the reference range. Here’s how to tell if lead exposure is affecting you....

Why the Same Dose Does Not Work for Everyone

One of the most important things to understand with vitamin D is the variability in individual dose-response It is not uncommon to hear general suggestions about how much vitamin D people need. Whether considering...