Lychees suspected in mystery illness

A mysterious and sometimes fatal brain disease that has afflicted children in northeastern India for years could be linked to a toxic substance in lychee fruits, US researchers say.

Investigators say more research is needed to uncover the cause of the illness, which leads to seizures, altered mental state and death in more than a third of cases.

In the meantime, doctors who encounter sick children should takes steps to rapidly correct low blood sugar, which can make the disease more likely to be fatal, says the report by the US