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Can Being Born in Spring Raise the Risk for Multiple Sclerosis?

Continuing research on the relationship between birth month and multiple sclerosis (MS) risk has paved the way for new research investigating whether vitamin D deficiency is associated with thymic output. A new post in NPR’s Shot’s blog reports researchers tested blood in 100 London newborns finding “May babies had twice as many T cells in their blood as did the November babies, and 20 percent less vitamin D.” From the results, study authors have hypothesized that birth month affects T-cell production, and thus, may impair T-cell central tolerance and T-regulatory/T-effector cell balance, key triggers of MS.

Read the post in NPR’s Shots blog.

Read the research letter in JAMA Neurology.