The "high risk" areas are farther north (think Scandanavia and states like Washington and Minnesota in the US), and "low risk" areas are closer to the equator (think deep south and Florida in the US).
I've read that risk relates to where you lived up to age 15. And that risk is relative - not everyone in the Arctic gets MS, and people who live right on the equator are not immune.
I grew up military, lived in mostly tropical areas before age 15.
I've read that risk relates to where you lived up to age 15. And that risk is relative - not everyone in the Arctic gets MS, and people who live right on the equator are not immune.
I grew up military, lived in mostly tropical areas before age 15.
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