The Paleo Diet – commonly known as the Caveman Diet – traces back millions of years to the era of early humans. After a recent comeback, it’s considered a common fad in diet culture.
The basic premise: we should eat how we’ve been biologically and genetically programmed. If our ancestors thrived on the food they hunted and gathered – high fat, animal protein, seafood and vegetables, for instance – we should too. And since they weren’t subject to today’s more diverse options – processed food, grains, carbohydrates, dairy products, salt, vegetable oil and refined sugar (among others) – then we should avoid those food groups as well.
While some studies link weight loss and overall health improvements when following the Paleo Diet, many remain skeptical regarding its overall effectiveness. From a nutritional standpoint, adhering to certain parts of this diet can result in potentially damaging consequences. Here are five hidden dangers to consider:
1) Low to moderate carbohydrate intake.
Hidden danger: Paleo calls for the exclusion of cereal grains – wheat, rye, barley, oats, corn and brown rice, to name a few. These are great sources of fiber, B vitamins, iron, magnesium and selenium. Grains help our bodies control blood sugar, lower cholesterol and fight the risk of chronic diseases. Consistent low carbohydrate intake may lead to an overuse of fat for energy, also known as ketosis. Ketosis occurs when by-products of fat breakdown, called ketones, build up in the bloodstream. High levels of ketones can lead to dehydration and eventually coma due to severe metabolic abnormalities.
Furthermore, following a low to moderate carbohydrate diet can make exercise a physical battle for those following the Paleo diet. During aerobic exercise (longer exercises such as running, biking, swimming and walking), our bodies use carbohydrates for fuel. Without adequate carbohydrates in the diet, our body turns to both body fat and muscle for energy. This results in the breaking down of muscle mass, which is known to increase our metabolism and help us burn more calories per day. Feelings of physical fatigue and exhaustion, throughout the day and during exercise, can be signs of muscle breakdown.
2) Restriction of dairy products
Hidden danger: Dairy restriction can lead to deficiencies in calcium and vitamin D, which are critical to bone health.
3) Saturated fats are suggested in very generous amounts
Hidden danger: Consuming the Paleo Diet-recommended amount of saturated fats can increase the risk of kidney and heart disease, as well as certain cancers.
4) High intake of red meat and high fat meat
Hidden danger: Past and current research suggests that a heightened level of high fat meat and saturated fat can increase LDL (bad cholesterol) and the risk of bowel cancer. Per the American Heart Association, an adult should consume a total of ~13 grams of saturated fat per day. On a Paleo diet, saturated fat intake can approach upwards of 50 grams per day.
5) Segmentation of “good” and “bad” foods
Hidden danger: A one-size-fits-all “best diet” approach does not work and can be problematic to most individuals, especially those prone to black and white / all-or-nothing thinking. Categorizing foods into “good” and “bad” can lead to feelings of guilt, shame and low self-worth when the “rules” of a diet are broken.
Learn How to Change Your Diet with Professional Help
In the end, eating like our ancestors isn’t required to live a healthy lifestyle; in fact, it could even cause adverse effects (as clearly shown above). While those living millions of years ago may have gotten by on this diet, evolution has altered our genetic makeup and how we digest food.
If you are interested in changing your eating habits, what’s most important is making sure your health background and nutritional requirements are considered. A professional dietitian can help to ensure the most appropriate plan for you and your unique lifestyle.
And if you’re worried that your relationship with food or your body has become overwhelming—or that someone you care about is struggling—you’re not alone. Reach out today to get support.
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