For many, the mere mention of milk will be enough to invoke memories of nausea, bloating, cramps, diarrhea, and perhaps in some cases, jibes and taunts about “wind” and bad breath. Some will have undergone medical tests that diagnosed the cause as “ Lactose intolerance ”. Lacking the enzyme lactase, which breaks down the milk sugar lactose (see box), they are unable to digest milk, whereas lactose-tolerant people can. Others, though, might still be unaware that they are “deficient” in lactase, not realizing that drinking milk causes their feelings of nausea, etc.[1] For many years, lactose intolerance was regarded as...
