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Allergies
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Why Do Some People Sweat Excessively?
Though rare, hyperhidrosis can cause someone to sweat a lot.
What Chronic Conditions Might be Exacerbated by Food Reactivity?
Food sensitivities can make chronic conditions, such as Crohn's disease, IBS, and ulcerative colitis worse.
Is Food Reactivity On the Rise?
Yes. The most common allergenic foods are peanuts, milk, shellfish, tree nuts, eggs, finfish, wheat, soy, and sesame.
Can Food Reactivity Be Healed?
Many food sensitivities can resolve over time — as long as the gut has a chance to heal and foods are reintroduced slowly.
What Are Common Triggers for Food Intolerances and Sensitivities?
Leaky gut syndrome frequently precedes food intolerances and food sensitivities. Here's why.
Why Is it Important to Reintroduce Foods Over Time, When Possible?
Eating a wide variety of healthy foods is important for both physical and mental health, says our expert.
What Is a Food Intolerance?
Unlike food allergies and food sensitivities, food intolerances do not involve the immune system. Here's why.
What Is a Food Sensitivity?
Food sensitivities often cause delayed — not immediate — reactions such as joint pain, fatigue, and brain fog.
What Is a Food Allergy?
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.
Do Environmental Toxins Play a Role in Food Reactivity?
Glyphosate, which is used in the herbicide Roundup, and mercury in fish can contribute to leaky gut.
Does Food Reactivity Increase the Risk of Disordered Eating?
It can, but working with a functional nutritionist can help.
What Are the Best Strategies for Coping With and Recovering From Food Reactivity?
If your symptoms are mild, you could start with an elimination diet. Otherwise, it's best to consult with a functional-medicine practitioner.
Allergy, Sensitivity, or Intolerance? A Guide to Food-Reactivity Issues
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.
How to Use a Neti Pot
Try this Ayurvedic practice to ease cold and allergy symptoms.
Is It COVID-19, the Flu, a Common Cold, or Seasonal Allergies?
How to tell them apart during influenza season and the ongoing pandemic.
Good Eats for All: How to Navigate the Holidays with Dietary Restrictions
Based on learnings from her own healing journey, best-selling cookbook author Danielle Walker shares tips for enjoying seasonal gatherings when dealing with food intolerances or allergies.
11 Tips to Improve Indoor Air Quality
Simple steps to clear the air inside your house.
5 of Our Favorite Tools for Cold and Allergy Season
Breathe a little easier with these natural supports for colds and allergies.
8 Dairy-Free Foods — and How to Cook With Them
Here's how to incorporate nondairy products into your home cooking.
7 Dairy Foods That Are Easier to Digest
Because lactose intolerance or sensitivity is so common, we recommend dairy products that pose fewer digestive difficulties. These are the ones we reach for most often.
The Health Risks of Gluten and Symptoms of Gluten Sensitivity
Discover why gluten is problematic for so many of us — and what you can do avoid it.