They sampled blood from the newborns ' umbilical chords and recorded levels of vitamin D and a specific type of immune cell known as autoreactive T-cells . Many patients with multiple sclerosis are born in the spring , not fall . Researchers speculate the mother 's exposure to Vitamin D could play a role . New evidence shows the vitamin might be driving immune system development .
Many patients with multiple sclerosis are born in the spring , not fall . Researchers speculate the mother 's exposure to Vitamin D could play a role . New evidence shows the vitamin might be driving immune system development .