Herbalism Articles: Traditional Practice, Primary Research
I'm Ivy Ham, a certified clinical herbalist. Every article in this library combines traditional practice from Western herbalism, Ayurveda, and Traditional Chinese Medicine with primary research you can check for yourself.
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Best Raw Dog Food Brands: Whole Prey Model Rankings by Type
Frozen raw is the gold standard for dog nutrition, but not every brand gets the prey model right. Here are the best legume-free options at every price and convenience level, ranked from best to acceptable, plus the toppers and DIY recipe I use for my own dogs.
Avocado Oil Fraud: Lab Testing Finds Most Products Adulterated
New UC Davis lab testing found nearly 9 in 10 processed foods labeled with avocado oil contain undisclosed cheaper oils, including the seed oils buyers pay a premium to avoid. Here's what the study found, why olive oil has faced the same fraud for decades, and the case for cooking fats that cannot be counterfeited.
Best Spring Water Brands Compared: pH, Minerals, and Lab Data
I pulled the published water quality reports for five major spring water brands sold in glass and compared pH, mineral content, nitrate, and contaminant testing side by side. Here is what the lab data shows and how to read it.
Honey Panna Cotta Recipe with Grass-Fed Gelatin
A five-ingredient honey panna cotta and a closer look at the gelatin, cream, and honey that make it more than a dessert.
Food Folate vs Folic Acid: The MTHFR Angle
Folate and folic acid are not the same thing. Here is a food-first look at vitamin B9 from liver, greens, and legumes, the MTHFR conversation, and what the research actually shows.
Potassium Bromate and Bromated Flour: Health Concerns, the New York Ban, and How to Avoid It
New York has moved to ban potassium bromate, a synthetic dough conditioner that much of the world abandoned decades ago. Here is what the additive is, how it is made, why it raises health concerns, and what the new ban means for shoppers and bakers.
Clean Mineral Sunscreen Brands + Homemade Zinc Sun Balm Recipe
FDA trials show chemical UV filters absorb into your bloodstream, and only zinc oxide and titanium dioxide are recognized as safe. Here are the cleanest mineral sunscreen brands worth buying, and the non-nano zinc sun balm I make at home instead.
Is Sunscreen Giving You Skin Cancer? What a 470,000-Person Study Shows
A viral headline claims sunscreen "causes" skin cancer. Here's what the 470,000-person study actually found, what it can't tell us yet, and the sun-exposure research that rarely makes the news.
Vitamin K, Calcium, and High Blood Pressure: A Food-First Look
Blood pressure is about far more than salt. This food-first guide explores how vitamin K2, calcium, and magnesium help keep arteries flexible, why the kind of salt you use matters, and how to be sure a high reading is even accurate before acting on it.
Nickel Allergy: Links to Eczema, Gut, Thyroid, Hormones, and Hidden Sources
Nickel allergy is the most common contact allergy, and for sensitized people it can reach far beyond the skin into the gut, the microbiome, and possibly the thyroid. This guide covers the links to eczema, IBS and IBD, inflammation, hormones, and cancer, where nickel hides from cheap jewelry and 18/10 cookware to braces and high-nickel foods, what Ray Peat taught about nickel and pans, and practical ways to lower your exposure.
Are New Construction Homes a Mold Risk? Materials, Testing & Prevention
Newer homes combine mold-sensitive materials like OSB and paper-faced drywall with airtight construction that traps moisture. Here is which materials feed mold, which resist it, and how to confirm a problem with proper air testing.
Best Water Filters for Fluoride, Aluminum & PFAS (2026 Guide)
Most pitcher and refrigerator filters let fluoride, aluminum, and PFAS through. Here is which reverse osmosis and gravity systems remove them, the 2026 status of Berkey, the fluoride court case, and the PFAS rule, plus how to remineralize afterward.
Natural Tick Repellent for Humans: What Actually Works (And Why Permethrin and DEET Aren't It)
A clinical herbalist's research-backed guide to plant-based tick repellents, why DEET and permethrin have concerns worth knowing, a DIY recipe, and clear caveats about essential oil safety.
What an Arkansas Chemical Spill Reveals About Aluminum in Your Tap Water
A May 2nd chemical spill in Fort Smith dumped roughly 80,000 gallons of acidified aluminum sulfate into a creek. The story under the story is where else this chemical shows up: your tap water, factory chicken operations, and firefighting foams. Here is what the research says, and which herbs help reduce body burden.
5 Ray Peat Inspired Dinner Ideas for a Pro-Metabolic Diet
These five Ray Peat inspired dinners are built around pro-metabolic principles, with balanced protein, easy-to-digest carbs, quality saturated fats, and gentle fiber in every meal.
The Clean Coffee Buying Guide 2026: Third-Party Tested, Mold-Free, and Toxin-Free Brands
Not all coffee is created equal. This guide breaks down why mold, heavy metals, and pesticides in coffee matter for your health, and profiles every brand that meets our strict criteria: third-party lab testing, certified organic, free of mycotoxins and contaminants, and a chemical-free Swiss Water Process decaf option.
Instant Pot Rotisserie Chicken Recipe (Plus What's in Store-Bought)
Store-bought rotisserie chicken is injected with a solution built around sodium phosphate, salt, and often starches and flavor enhancers, then packed hot into plastic. Making one at home takes ten minutes of active work. Here is the Instant Pot method, a cook time calculator, and a sourced look at what is on the label.
Elective Induction and C-Section: What the Research Shows
Elective induction and cesarean birth are two of the most common decisions in maternity care, and the research is more mixed than either side admits. Here is what the ARRIVE trial, the stillbirth data, the Cochrane monitoring review, the epidural and breastfeeding studies, and the midwifery trials show, with every source linked.
Silfab Solar Chemical Spill Next to Flint Hill Elementary: What Happened and Where It Stands (August 2026)
A potassium hydroxide release and a hydrofluoric acid drip at Silfab Solar's plant next to Flint Hill Elementary in Fort Mill, SC set off a state shutdown, a school closure, and a zoning fight that a circuit court has now decided against the company. Updated August 26, 2026 with corrected volumes, the state compliance agreement, and the current legal and production status.
Herbal Alternatives to Ozempic: Risks, Lawsuits, and 5 Herbs
Before starting Ozempic or Wegovy, read what the trials found on weight regain, muscle and bone loss, and vision risk, how peptide drugs are made, and how five herbal alternatives compare on evidence and cautions.
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Is Apeel Discontinued? 2026 Store List
Which U.S. grocery chains have said no to Apeel-coated produce, which have not, and how to shop around it. Updated September 2026.
The Ray Peat Diet Guide
Every food he mentioned in a searchable database of 150, his hormone framework in order, recipes, and links to his first-hand sources.
Adaptogenic Herbs for Stress
Only seven botanicals truly meet the scientific criteria for adaptogens. Monographs on all seven, drawing on Ayurveda, TCM, and Western herbalism.
Best Water Filters for Fluoride, Aluminum & PFAS
A 2026 comparison of reverse osmosis and gravity filters from someone who has used them all firsthand.
Natural Tick Repellent That Works
Plant-based repellents that hold up in studies, a DIY recipe, and the case against DEET and permethrin.
The Clean Coffee Buying Guide
Every brand that passes strict criteria: third-party tested, organic, mold-free, with a Swiss Water decaf option.