Q

Why do some people lose the ability to digest dairy as they age?

From 5 years of verified research · Vassili Sandqvist
A

There are two main reasons for this decline: genetic factors and disuse. Many populations historically did not practice dairy farming, resulting in lower lactase production into adulthood. Additionally, lactase production can decrease with age for those who stop consuming dairy, as the body adapts to the lack of it.

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