Eclampsia is a term to describe "seizures (convulsions) in a pregnant woman that are not related to brain conditions."
Symptoms include muscle aches, seizures, agitation, and unconsciousness. The causes of eclampsia are not yet known.
Boris Berezovsky is a Russian political refugee currently in exile in the UK. Berezovsky fled Russia after being accused of defrauding a regional government of $13 million. He's a member of "the London Circle" of exiled Russians.