yah!
i'll know when its time for my dad to go for blood test, because
suddenly he'll be very "guai" and eat more healthy stuff..

it's actually about eating normally.. and not to eat stuff that
will skew the readings..
there was once i ate mutton soup, fish roe, tulang and all that
one day before the test because i forgot... and i ended up with a
reading which was unreasonable 
the next year, the test was just borderline