Mo Perry

This vitamin is critical to creating melatonin. Are you getting enough?

A host of supplements — think melatonin, magnesium, and more — can help you drift off and sleep more soundly. And they’re typically safer than pharmaceuticals.

How to use gratitude, reciprocity, altruism, choice, and enjoyment to cope with loneliness.

Expert advice on how to deal with loneliness.

Nux vomica, arnica montana, allium cepa, and gelsemium sempervirens should be part of any at-home homeopathic first-aid kit.

Treating mild ailments with homeopathic medicine is becoming more mainstream in U.S. healthcare. Learn how it works, and how to make it part of your own healthcare toolkit.

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

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

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

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

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

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

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

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.

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

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

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

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.

Turns out our skin has as many microbes as our gut. Here’s why that matters for health.

Exposure to germs may help our B cells and T cells battle COVID later on.

Surface transmission of COVID is rare. But, many of us are still using antimicrobial products to clean surfaces — and killing good bugs in the process.