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Katie smiling and food in the background

Why It’s Worth it to Test for At-Home Food Reactions

With Katie Knafla, RD
Season 8, Episode 3

A registered dietitian explains what food sensitivities are, what the symptoms and causes are, and what’s involved in testing for them — and the advantages of doing so.

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a man blows his nose

How Climate Change Is Extending the Allergy Season — and What You Can Do About It

By Mo Perry

The increasing amount of carbon dioxide in the air, warmer temperatures, and longer growing seasons are increasing allergy symptoms in many parts of the world. Here’s what you can do to keep your immune system in tip-top shape.

bowls of different foods and Samantha McKinney smiling photo

Allergies, Sensitivities, Intolerances: All About Food Reactions

With Samantha McKinney, RD
Season 6, Episode 19

Adverse reactions to many foods are on the rise, and while allergies are often more easily identifiable, sensitivities and intolerances typically are not. Regardless, they can all cause troubling effects in the body. Samantha McKinney, RD, explains the differences between food allergies, sensitivities, and intolerances, what the common food offenders are, how to spot signs of a reaction, and —  in the case of the latter two — why those signs are often symptoms but not the root cause.

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a woman eats an apple

What Are the Health Benefits of Quercetin?

By Jill Patton, FMCHC

Quercetin can help with allergies, brain health, heart health, and more. It can easily be incorporated into your healthy eating routine.

apples, onions, peppers and other foods high in quercetine

Can Quercetin Relieve Your Seasonal Allergies?

By Jill Patton, FMCHC

Learn how this common nutrient can provide relief.

a woman blows her nose

Which Health Conditions Are Considered Inflammatory?

By Mo Perry

Chronic conditions such as autoimmune disorders, Alzheimer’s, and certain types of arthritis indicate some level of inflammation.

a woman wipes her head during a fitness class

Why Do Some People Sweat Excessively?

By Margret Aldrich

Though rare, hyperhidrosis can cause someone to sweat a lot.

an air purifier runs while a woman sits on a couch with her dog

4 Simple Ways to Detox the Air in Your Home

By Jacqueline White

Do you know what you’re breathing in your home? Here’s how to improve your indoor air quality and create a healthier living environment in your home.

a woman lies in the fetal position with her arms wrapped around her belly

What Chronic Conditions Might be Exacerbated by Food Reactivity?

By Mo Perry

Food sensitivities can make chronic conditions, such as Crohn’s disease, IBS, and ulcerative colitis worse.

a pile of peanuts

Is Food Reactivity On the Rise?

By Mo Perry

Yes. The most common allergenic foods are peanuts, milk, shellfish, tree nuts, eggs, finfish, wheat, soy, and sesame.

supplements next to a glass of milk

Can Food Reactivity Be Healed?

By Mo Perry

Many food sensitivities can resolve over time — as long as the gut has a chance to heal and foods are reintroduced slowly.

a variety of foods associated with food triggers

What Are Common Triggers for Food Intolerances and Sensitivities?

By Mo Perry

Leaky gut syndrome frequently precedes food intolerances and food sensitivities. Here’s why.

a woman slices bread

Why Is it Important to Reintroduce Foods Over Time, When Possible?

By Mo Perry

Eating a wide variety of healthy foods is important for both physical and mental health, says our expert.

a glass of milk sits on a table with a woman holding her arms around her stomach

What Is a Food Intolerance?

By Mo Perry

Unlike food allergies and food sensitivities, food intolerances do not involve the immune system. Here’s why.

a woman declines toast

What Is a Food Sensitivity?

By Mo Perry

Food sensitivities often cause delayed — not immediate — reactions such as joint pain, fatigue, and brain fog.

fruits, nuts and chocolate

What Is a Food Allergy?

By Mo Perry

Although the term “food allergy” is used widely, it refers to a food exposure that triggers an immediate, marked immune response — often involving IgE antibodies.

gloved hands pouring dish soap on a sponge

Do Environmental Toxins Play a Role in Food Reactivity?

By Mo Perry

Glyphosate, which is used in the herbicide Roundup, and mercury in fish can contribute to leaky gut.

a plate with 2 peas for eyes and a frowning pea pod

Does Food Reactivity Increase the Risk of Disordered Eating?

By Mo Perry

It can, but working with a functional nutritionist can help.

a woman meets with a nutritionist

What Are the Best Strategies for Coping With and Recovering From Food Reactivity?

By Mo Perry

If your symptoms are mild, you could start with an elimination diet. Otherwise, it’s best to consult with a functional-medicine practitioner.

a table set with common foods attributed to allergies

Allergy, Sensitivity, or Intolerance? A Guide to Food-Reactivity Issues

By Mo Perry

Learn more about the difference between food allergies, intolerances, and sensitivities, what might be behind their increasing prevalence, and what you can do about them.

a neti pot sits on a wooden tray with salt and a spoon

How to Use a Neti Pot

By Terri Trespicio

Try this Ayurvedic practice to ease cold and allergy symptoms.

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