New Study’s Findings Suggest Milk Could Threaten Your Health

By , Category : Food and Nutrition

Disclaimer: Results are not guaranteed*** and may vary from person to person***.

Health Risks of Dairy Products There are three health tips I remember from childhood:

1. Brush your teeth twice per day
2. Eat an apple a day to keep the doctor away
3. Drink milk to get big and strong

New research, however, is challenging that third tip. As it turns out, the health benefits of milk may be questionable.

Milk has long been touted as a healthy drink to help you build and maintain strong bones. This is because milk—along with other dairy products—is high in calcium, a nutrient essential for bone strength. The thinking is that when you supply your bones with calcium, they become more durable and less likely to fracture.

But new research out of Sweden is showing that milk consumption doesn’t lower your risk of fractures. Furthermore, it’s suggesting that the more milk people consume, the greater their risk for fractures and death. The reason, according to the research team, could have something to do with the lactose and galactose (sugars) found in milk.

It should be noted that the results of the study do not show causation, but rather an observational association. Even with this being the case, I think these findings are worth noting.

Sugars Found in Milk May Be Detrimental to Your Health

The sugars found in milk have been shown to increase oxidative stress and chronic inflammation in animal studies. This makes sense, because most animals don’t have the ability to metabolize lactose. Humans, for example, are really one of the only species that can metabolize milk from a variety of species. That said, many humans suffer from lactose intolerance that results in discomfort. The findings from Sweden, however, suggest that bloating and pain might not be all that lactose does to humans.

The Findings: Milk and Mortality

The research team followed more than 100,000 individuals in Sweden (61,433 women and 45,339 men) for an average of 15.5 years (women for roughly 20 years, and men for 11 years). They found that women who drank three or more glasses of milk per day had a higher risk of death than those who drank less than one. They also observed that, contrary to what was previously thought, there was no correlation between milk consumption and fracture risk. The same correlations were noticed with men, but they were less pronounced.

Their analysis also showed a strong association between milk consumption and the biomarkers of oxidative stress and inflammation. This association was only found with milk, but not fermented milk products. A high intake of products like cheese and yogurt, for example, did not yield the same results and was, in fact, associated with lower rates of fractures and deaths.

The Verdict on Milk Consumption

So should you dump all your milk down the sink? Not quite yet. More work still needs to be done to determine if milk increases the risk of fracture and death, but these results really don’t surprise me. Lactose intolerance is simply too common, and it’s not unreasonable to imagine that these sugars could cause greater harm than temporary discomfort, gas, and bloating.

I also believe the finding that fermented products with less lactose appear to benefit your health. This tells us something about the potential dangers of lactose. Limit your lactose intake if you can by electing to buy lactose-free or reduced lactose products. Dairy is an important and valuable source of nutrition, so I’d avoid cutting it out altogether.

Sources for Today’s Article:
British Medical Journal, “High milk intake linked with higher fractures and mortality, research suggests,” ScienceDaily web site, October 28, 2014; http://www.sciencedaily.com/releases/2014/10/141028214051.htm.
Weise, E., “Sixty Percent of Adults Can’t Digest Milk,” USA Today, ABC News web site; http://abcnews.go.com/Health/WellnessNews/story?id=8450036&singlePage=true, last accessed October 31, 2014.




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Dr. Victor Marchione, MD

About the Author, Browse Victor's Articles

Victor Marchione, MD received his Bachelor of Science Degree in 1973 and his Medical Degree from the University of Messina in 1981. He has been licensed and practicing medicine in New York and New Jersey for over 20 years. Dr. Marchione is a respected leader in the field of smoking cessation and pulmonary medicine. He has been featured on ABC News and World Report, CBS Evening News and the NBC Today Show and is the editor of the popular The... Read Full Bio »