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There are millions of people who cannot comfortably drink a glass of milk or enjoy a cheese pizza because they are lactose intolerant. They have a shortage of the enzyme lactase, which prevents them from digesting large amounts of lactose, the main sugar found in dairy products. This condition seems to especially target women, which is distressing because dairy products are an excellent source of calcium, which women need to prevent osteoporosis in later years.

But how do you know if you are lactose intolerant? If you can't drink a glass of milk in the morning on an empty stomach without getting gas, then there's a strong possibility that you are lactose intolerant. While the most common indicator of lactose intolerance is gas, there can be other symptoms including diarrhea, nausea, cramps, and bloating, all of which set in about thirty minutes to two hours after eating or drinking lactose-rich foods. Of course, it is important to get a proper diagnosis from your doctor to find out if you are lactose intolerant, because sometimes these same symptoms can be indicative of irritable bowel syndrome, which can sometimes overlap with lactase deficiency.

If you do discover that you're lactose intolerant, it's not the end of the world--or in this case, the end of dairy products. Many people who are lactose-intolerant have found that not all dairy products cause them discomfort. Yogurt is especially good because the bacteria it contains produces some lactase. Also, many people diagnosed with lactose intolerance can still enjoy foods like ice cream and cheese, as long as they eat them in small amounts or with other food.

So if you suspect you are lactose intolerant, visit your doctor and get properly diagnosed today.