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Articles

A collection of short articles I’ve written about home health, some with videos that incorporate some humor. Browse through for more on what the research actually shows about each topic, what's worth your attention, and what practical steps make a real difference.

Why Your Skin Gets So Dry in Winter (And What Actually Works)
Dr. Meg Christensen Dr. Meg Christensen

Why Your Skin Gets So Dry in Winter (And What Actually Works)

Cold weather and dry indoor heat strip your skin's moisture barrier, leaving your face tight and your hands cracked. Learn how filtered shower heads, humidifiers, air quality monitors, and air purifiers prevent winter dryness better than moisturizers alone—keeping your skin soft and hydrated all season.

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Top Five Ways To Reduce PFAS in Your Home
Dr. Meg Christensen Dr. Meg Christensen

Top Five Ways To Reduce PFAS in Your Home

You can't avoid PFAS entirely, but you can dramatically reduce your exposure to these persistent "forever chemicals" found in 45% of US tap water and countless household products. This guide covers the five most effective interventions based on the science of how PFAS enters your body.

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Air Purifiers During Wildfire Season: A Physician's Guide to Protecting Your Indoor Air
Dr. Meg Christensen Dr. Meg Christensen

Air Purifiers During Wildfire Season: A Physician's Guide to Protecting Your Indoor Air

Wildfire smoke contains over 100 toxic compounds including PM2.5 particles, carbon monoxide, and volatile organic chemicals. Research shows indoor PM2.5 levels reach 30-100% of outdoor concentrations during smoke events, with respiratory hospitalizations increasing 5-12% per 10 μg/m³ exposure. This guide explains which air purifier features effectively remove both particles and gases, how to size units for maximum protection, and strategies to reduce indoor smoke exposure by 50-80%.

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Sunrise Alarm vs. SAD Lamp: Which One Should You Use for Winter Blues?
Dr. Meg Christensen Dr. Meg Christensen

Sunrise Alarm vs. SAD Lamp: Which One Should You Use for Winter Blues?

Sunrise alarms and SAD lamps are both used for seasonal mood support, but they work in different ways. One shifts your circadian rhythm through gradual morning light. The other delivers a therapeutic light dose that directly affects serotonin and melatonin regulation. Here's how to decide which one you actually need, and why I use both.

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Why "Organic" Bedding Labels Don't Mean Much (And What to Look for Instead)
video Dr. Meg Christensen video Dr. Meg Christensen

Why "Organic" Bedding Labels Don't Mean Much (And What to Look for Instead)

You might assume "organic" bedding is automatically the healthier choice. But, it's not, at least not without the right certification behind it. Fabric processing is surprisingly chemical-intensive, and "organic" only tells you about the starting fiber, not what happens to it afterward. Here's how to actually read a bedding label.

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Blackout Curtains That Don’t Off-Gas
video Dr. Meg Christensen video Dr. Meg Christensen

Blackout Curtains That Don’t Off-Gas

Most blackout curtains achieve their light-blocking through PVC or foam backing — materials that off-gas VOCs, especially when heated by sunlight in a window. Given that you're sleeping in the bedroom with them for eight hours a night, the material choice matters. Here's what the healthier options are actually made of.

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Does the Color of Your Room Actually Affect Your Mood?
Dr. Meg Christensen Dr. Meg Christensen

Does the Color of Your Room Actually Affect Your Mood?

Color psychology is everywhere in interior design advice — paint your bedroom blue to feel calm, avoid red if you want to relax. The research behind these claims is much weaker than the confidence with which they're repeated. Here's what the science actually says, and what matters more than color choice.

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Are Candles and Incense Toxic? (And How to Make Them Less Harmful)
video Dr. Meg Christensen video Dr. Meg Christensen

Are Candles and Incense Toxic? (And How to Make Them Less Harmful)

Most candles release endocrine-disrupting chemicals when burned, and standard incense produces more particulate matter than a cigarette. That doesn't mean you have to throw them all out. There's a spectrum here, and several practical ways to reduce exposure while still enjoying scent and ambience at home.

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Why Do Some Sheets Make You Sweaty?
video Dr. Meg Christensen video Dr. Meg Christensen

Why Do Some Sheets Make You Sweaty?

Whether you wake up drenched or sleep fine comes down to fiber structure, not thread count. Linen, wool, cotton, and polyester all behave differently at night — and the mechanisms are more interesting than you'd expect, especially when you see what they look like under a microscope.

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What’s in Foam?
video Dr. Meg Christensen video Dr. Meg Christensen

What’s in Foam?

Polyurethane foam starts as petroleum and gets processed with a long list of chemical additives, some of which migrate out over time. Here's what's actually in it and what that means for your health.

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