Thank you all for the info! As regards lactose intolerance, studies published recently report that many people are not actually intolerant, but rather just out of the habit. Seems that if it’s not required the body stops producing the enzyme needed to properly digest milk etc. So, someone who eats little dairy decided to have pizza, and - surprise! - his stomach is no longer able to process it without discomfort. This is not to say that there are not people with lactose intolerance, but that the numbers are not so high as previously reported.
This is good news for women, many of whom are starting to worry about bone loss etc. but finding it hard to add milk to their diet. For some (but by no means all) all it will take is adding small amounts of dairy to the diet over a period of time in order to get the body producing the proper chemicals. In my family it seems to be a real intolerance, or possibly a drug interaction - whichever, I will just have to pay for the lactose they remove!
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