Is it common for adults to become lactose intolerant over 35?

You can become lactose intolerant as an adult. I did, and my husband did, although mine is more severe. His grandfather and my grandmother were both lactose intolerant, and both became so later in life. You might consider going to rice milk, soy milk (such as silk) or goat's milk. I am not big on rice milk and I am also allergic to soy so I drink goat's milk, eat goat"s milk yogurt and use goat's milk butter. All of the pain has gone away since I switched. Try cutting it out for a few days. Then have a glass of milk and see what happens! When you think about it, humans are the only animals that drink milk after we are weaned, and we don't even drink human milk...we drink the milk of another animal!

My brother became lactose intolerant after 50.

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