Casein in yogurt

December 22, 2016
Dangers of Casein Protein

bread, milk, eggs, pasta, oatsYunhee Kim

Jacqueline Laurita, 42, mom of three and star of the reality show The Real Housewives of New Jersey, recently revealed her 3-year-old son, Nicholas, was diagnosed with autism. Since the diagnosis, Laurita has sought treatment for her son, which includes therapy and following a dairy-free, gluten-free diet that some experts believe will reduce behavioral issues associated with autism. Learn more about the special "autism diet" that Laurita is advocating.

It's a strict elimination diet (with no "cheat days").

The GFCF diet removes two proteins: casein, which is found in all milk and dairy products, and gluten, which is contained in wheat, barley, rye, and some brands of oats [that may have been cross-contaminated with gluten]. The obvious culprits, like milk, cheese, yogurt, ice cream, most breads, cereals, and pasta, should be avoided. But thousands of processed foods contain ingredients made from gluten or casein, so staples such as hot dogs, lunch meat, bottled salad dressings, jarred sauces, and even some margarine may not be allowed. Examining labels and ingredients is a must, especially since some substitute-dairy products may actually contain casein. For the GFCF diet to have a chance of working, the proteins need to be gone for good. In one study, kids who strayed from the diet just once every other month showed fewer improvements than those who broke the diet two times or less during a year.

Research is mixed - but promising.

A 2009 research review concluded that there wasn't enough evidence to support a GFCF diet for autism, but some hopeful findings have emerged since then. In a small Danish study in 2010 of children ages 4 to 11, some kids showed significant improvements after 8, 12, and 24 months on a GFCF diet. Researchers at Penn State surveyed the parents of nearly 400 kids with autism and found evidence that a GFCF diet improved symptoms such as hyperactivity, temper tantrums, problems with eye contact and speech skills, and physical ailments such as skin rashes and seizures for certain groups of children. Those who showed the most improvement either followed the diet closely, stayed on it for at least six months, or had a history of food allergies or digestive issues, like chronic constipation and diarrhea.

No one knows for sure how it helps.

One theory is that children with autism are unable to fully break down casein and gluten and have increased intestinal permeability, or "leaky guts, " so the undigested or partially digested proteins leak through the intestinal walls and into the bloodstream. When they do, the proteins may reach the brain and can lead to problems with behavior, speech, and social skills. Many doctors don't believe that "leaky gut" syndrome exists. Another theory is that children with autism may simply be in pain and discomfort because of an unknown intolerance to gluten and casein. And yet another is that when those proteins are gone from the diet, kids tend to feel better (and even sleep better), so they're more alert, get more out of therapies, and make greater progress.

It doesn't work for everyone.

According to a study by Autism Speaks, nearly half of all kids with autism spectrum disorders suffer some kind of gastrointestinal symptoms. While it's possible that gluten and casein proteins trigger a body's immune response, causing inflammation of the GI tract, it's also possible that food allergies and intolerances aggravate autism symptoms. Experts do not understand why, but the GFCF diet doesn't help all children with autism. Those who have food allergies or chronic digestive problems seem to get the biggest benefit from the diet.

Children with Autism: The Parents PerspectiveGetting expert help is key.

Work closely with a health practitioner, such as a registered dietitian, along with a physician who is well versed in GFCF diets. The doctor can assess your child's current diet, confirm if he needs other nutritional supplements, and help you plan meals and snacks. Gluten and casein are found in many foods that kids eat, so removing these foods can compromise health, nutrition, and growth if the new diet isn't well planned (especially if your child isn't receptive to trying new foods). For example, gluten-free breads and cereals aren't usually fortified with B vitamins, as standard grains are - and eliminating all dairy products means losing important sources of calcium and vitamin D.

It can be difficult at first.

Eliminating gluten and casein means forgoing most processed and restaurant food. Many children with autism are very selective ("picky") eaters, in part because of sensitivities to certain flavors, smells, and textures of foods. The foods many kids rely on - such as regular crackers, cheese, and yogurt - aren't allowed on the GFCF plan. Because gluten and casein proteins are thought to have an impact on the brain, children may go through a type of withdrawal when they're removed. Some parents who have had success with the GFCF diet suggest removing casein first and then gluten a week or two later. Gradually introducing substitute foods (like non-dairy milks that don't contain casein, or gluten-free pasta) can help too. You can expect to spend more time planning and preparing food, especially when you first begin the diet. You'll also need to be mindful of cross-contamination with gluten: Avoid sharing serving spoons or using the same cutting boards or toasters. But if your child experiences improvements on a GFCF diet, these extra measures won't seem like a big deal.

Having patience is important.

Some parents notice improvements quickly, within a matter of days or weeks. But for others, improvements can take months, and some parents may not see any change at all. Although casein clears from the body in just two to three days, it can take four to six months for all traces of gluten to be gone from your child's system. Plus, if your child has been diagnosed with celiac disease (an inability to digest gluten), it can take months for damaged intestines to heal. So give the diet at least six months before passing judgment.

Success depends on you.

Before starting the diet, figure out what improvements you're hoping to see. Take a day or two to establish a "baseline" by asking yourself these questions: How many words is your child saying? How frequently does she make eye contact? How many tantrums does she have in a week? Then, over the course of weeks and months on the diet, reassess your child's development. If you're not seeing any significant improvements, the diet may not be worth your while.

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