vagus nerve stimulation Vagus nerve stimulation therapy is a treatment for epilepsy that involves a stimulator (or 'pulse generator') which is connected, inside the body, to the left vagus nerve in the neck.
Tuva (Russian: ÑÑÐ²Ð°Ì tyh-VAH) or 'Tyva' is a republic in Eastern Siberia, bordering the Altai Republic to the west, Khakassia to the northwest, Krasnoyarsk Krai to the north, Irkutsk Oblast to the northeast, Buryatia to the east, and Mongolia to the south.
Siberia stretches southwards from the Arctic Ocean to the hills of north-central Kazakhstan and to the national borders of Mongolia and China. With an area of 13.1 million square kilometres, Siberia accounts for 77% of Russia's land area, but it is home to just 40 million people â 27% of the country's population.