Alternative milk could stunt children’s growth, a new study reveals

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Alternative milk could stunt children's growth, says new study
Alternative milk could stunt children's growth, says new study

Kids who drink alternatives to cow milk, such as soy, almond or rice substitutes, are slightly shorter than children who drink dairy, a new study reports.

A study published Wednesday in the American Journal of Clinical Nutrition found that children who drank cow’s milk gained, on average, about a sixth of an inch (or 0.4 centimeters) in height for every cup consumed. In other words, if a 3-year-old kid drank three cups of a milk alternative such as almond milk or soy milk, they would be over half an inch shorter than their cow milk-drinking peer, the findings show.

“Not a tiny difference when you’re 3 years old,” pediatrician Dr. Jonathan Maguire, the study’s lead author, told CNN. Researchers analyzed cross-sectional data of more than 5,000 Canadian children ages 2 to 6 years old.

This isn’t the first study to look at the correlation between height and consumption of cow’s milk. Research published in 2004 in the American Journal of Clinical Nutrition found that kids who drank a high amount of dairy milk were taller by nearly an inch (or 2.5 centimeters).

Both studies suggest that cow’s milk have components that stimulate growth that are missing in plant-based milks, Dairy milk contains calcium, which has been linked to improved bone health. Cow’s milk also stimulates insulin-like growth factor better than plant-based substitutes like almond or rice milk, according to CNN. The study suggests the difference in height could be attributed to the disparity in IGF production.

Of course, these new findings do not mean children who drink cow’s milk are healthier than their peers who consume milk substitutes. According to Harvard School of Public Health, cow’s milk is high in saturated fat, can cause stomach and intestinal issues, and has been linked to possible increased risks in prostate and ovarian cancers. Plus, plant-based milks contain many of the vital nutrients found in cow’s milk like calcium, potassium, magnesium, and protein.

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