Hiccups

No one exactly knows why sugar may help hiccups. Some doctors speculate that the granules stimulate the vagus nerve, a long nerve in the back of the throat that sends branches to many muscle groups, including those in the diaphragm.

Take a deep breath: Holding your breath for a count of 30 may also work for some. It increases carbon dioxide levels in the blood and, apparently, decreases the sensitivity of the vagus nerve centre in the brain.
GIDDINESS
Onion: Slice one The stinging smell helps clear the head and prevents fainting.