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For example, lactose intolerance is a metabolic condition that happens when the body doesn't produce enough lactase.

First, they analyzed genetic data from over 542,000 women and focused on variants — tiny changes in DNA — associated with lactase persistence, the ability to digest lactose in adulthood.

Tubbs explains that Belle Creamers are made with only five ingredients: milk, cream, liquid sugar, natural flavors and lactase enzyme.

According to Boston Children’s Hospital, lactase is an enzyme that is normally produced in the small intestine, where it breaks down lactose into a form that can be absorbed by the blood.

Using the new reference panel, they analyzed how a genomic variant of the lactase gene is related to traits such as height, body mass index and low-density lipoprotein cholesterol, also known as "bad cholesterol."