Dr. Karl Kruszelnicki on food

Usual eclectic mix from Dr. Karl, including:

- the woman whose life was saved by a feces transplant;

- 90% of the genetic material in your body is not yours; &

- why do some people get ice cream headache & others not?

Podcast at:

http://www.abc.net.au/rn/lifematters/stories/2011/3347708.htm