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Guides

6 articles in this category.

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What Is Eso Friendly? An Evidence-Based Guide to Chemical Safety

'Is it eso friendly?' A quick way to ask: does this mess with my hormones, accumulate in my body, or contain things the research says to avoid?

Read article →12 Apr 2026

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Guides22 min

What Are Endocrine Disruptors? The Evidence-Based Guide

Endocrine disruptors mimic your hormones at parts-per-trillion concentrations. WHO lists 800 suspects. Here's what the research shows and what you can do.

Read article →13 Apr 2026

Close-up of a wet toothpaste tube showing the ingredient list in sharp focus, water droplets catching hard side light

Guides29 min

Chemicals in Toothpaste and Your Toothbrush: What to Know

SLS strips your gums. Mouthwash raises your blood pressure. Titanium dioxide crosses your oral mucosa in 30 minutes. Here's what the research says.

Read article →13 Apr 2026

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Guides24 min

Is Tap Water Safe? The Evidence-Based Guide to What's Actually In It

Is tap water safe? It depends what you're asking. Here's what the research says about chlorine, fluoride, lead, PFAS, and which filters actually remove it.

Read article →13 Apr 2026

Warm bedside lamp glowing in a dark bedroom, soft pool of light on an unmade bed, rest of the room in shadow

Guides24 min

Blue Light and Sleep: What the Research Actually Shows About Screens, Melatonin, and the Rest of the Bedroom

The biology is settled. The popular fix doesn't work. What does looks sillier. Here's what the evidence says — and why the bedroom matters more than the phone.

Read article →14 Apr 2026

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Guides

Chemicals and Fertility: Environmental Exposure and Health

Chemicals and fertility: what the research actually shows about BPA, phthalates, PFAS, pesticides, and what couples trying to conceive can reasonably do.

14 Apr 202623 min

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