erinc14 wrote:is your risk of ms increased when you have a relative with ms?
MS is not directly inherited, but genetics play an important role in who gets the disease. While the risk of developing MS in the general population is 1/750, the risk rises to 1/40 in anyone who has a close relative (parent, sibling, child) with the disease. In families in which several people have been diagnosed with MS, the risk may be even higher. Even though identical twins share the same genetic makeup, the risk for an identical twin is only 1/4—which means that some factor(s) other than genetics are involved.
Brainteaser wrote:For the mathematical gifted, if there is 1 in 40 chance of the brother of a man with MS, also having MS (which has happened with a friend) what would be the probability of a third brother also getting MS? He is a bit worried as you can imagine.
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