Environmental health
Much of what shapes how we feel sits in the places we live and work, and a lot of it can be found and measured.
Your home should hold you, not overstimulate you.
Start with the home
Some rooms let our shoulders drop the moment we walk in. Others leave some of us foggy by mid-afternoon. The difference is worth following.
Notice first
The first tool costs nothing: a notes app or a calendar on the kitchen wall. Record the symptoms, place, timing, and what changes. A few weeks of notes can show a pattern that memory smooths over, and they’re easy to share with a care team or a building professional.
Where water has been
A slow drip under the sink, a ceiling stain from an old storm, a closet that smells musty when it rains, a window sill that’s always damp. Each one is worth a closer look, and a building can be tested. Dust tests such as ERMI and HERTSMI-2 can pick up what a walk-through misses, and much of what’s found can be fixed.
Air and water
Run the bathroom fan through a shower and for a while after. Open a window when the air outside is clean. Change the furnace or air-conditioning filter when it’s due. Water can be tested too, and the results tell us which filter fits.
Everyday products
The bathroom shelf and the cleaning cupboard are an easy place to begin. Fragrance, plug-in air fresheners, and strong sprays all end up in the air we breathe at home. New furniture, mattresses, and fresh paint can off-gas for a while, so let a room air out before settling in. When something runs out, choose a fragrance-free version. One swap at a time is plenty.
The bedroom first
Our longest stretch of rest happens here, so it’s the room to start with. Wash the bedding in hot water and keep fragrance and clutter out. If there’s one room for a HEPA purifier, make it this one.
Start small. Sleep deeper. Breathe easier.
When to bring someone in
When the notes keep pointing to the house and the simple changes haven’t been enough, a building biologist can assess mold, chemicals, and EMFs together. It’s worth asking whether they’ve worked with medically sensitive people.
The total load
The body takes in a lot at once: the air in the environment, the water from the tap, the lotion on our skin, an old infection, a hard season at home. Each may seem small on its own, and the body carries them all together. When the total gets heavy enough, we feel it.
Modern buildings, products, and technology add up to a load our bodies are still learning to meet:
- Poorly ventilated homes and offices
- Hidden water damage and bacterial overgrowth
- Chemical pollutants and VOCs
- Persistent EMF exposure, which may add to it
Each item on this list is something we can measure, and many are things we can change. That’s the good news about a total. Every piece we lift makes the whole lighter.
CIRS
For some of us, a heavy enough load can help keep inflammation going. Chronic Inflammatory Response Syndrome, or CIRS, is one way that can show up. It’s a multi-system inflammatory illness that can follow exposure to biotoxins. Water-damaged buildings are the most common source, and for many of us that exposure lands on a load that has built for years. In people with a genetic susceptibility, the immune system can stay switched on, and inflammation spreads across several systems.
CIRS is measurable, and the tests that show it are within reach. With treatment and a home that stops adding to the load, it can improve, sometimes a great deal.
Understanding CIRS walks through what it is, how it’s found, and what recovery rests on.
EMFs and the home
Some of what we feel is invisible, and much of it can be measured.
EMFs, or electromagnetic fields, come from household wiring, appliances, routers, phones, and smart meters. For some of us, EMFs may act as an amplifier, adding to the body’s total load.
Notice
In tech-heavy rooms, some of us feel wired-but-tired, foggy, restless, or achy. Research on EMF sensitivity is still developing, and what we notice is worth writing down.
Those signals are information. Tracking when and where they show up is the first step toward changing what you can.
Measure
A meter puts a number beside what we notice. Home meters read one or more of these: radio frequency from wireless devices, magnetic fields from wiring and appliances, and electric fields from cords and outlets. Walk the house room by room: beside the router, at the head of the bed, by the breaker panel, along the wall behind the smart meter. Write the readings down, make one change, then measure again. The second reading shows what moved.
Lower, starting with the bedroom
The bedroom comes first here too. Charge the phone in another room, or at least across this one. Plug the router into an outlet timer so it switches off overnight. If the bed sits against a wall with the breaker panel or smart meter on the other side, move it to another wall.
Technology on your terms
You don’t have to live off-grid to feel better. Technology can be part of a restful home when we use it with intention: a wired connection at the desk, the speaker on for long calls, airplane mode when the phone’s only job is the alarm. Stay connected, on terms your body can live with.
When to call a professional
When the changes you’ve made still don’t feel like enough, a certified building biologist can help you pinpoint and remediate what’s invisible. You can find one through the Building Biology Institute, linked under Start with the home.
The women’s lens
Because healing in a woman’s body asks for a different kind of listening.
Some of that difference shows up in the research.
The immune system is different. Women are about 80% of the people living with autoimmune disease. The mechanisms are being mapped now: X-linked genes that escape inactivation, sex hormones, and an immune response that runs hotter by design.
The exposure load is heavier. As women, many of us are exposed to more chemicals in personal care products, and it’s one load we have some say in. Hormonal shifts can also change how the body responds to what it takes in.
Caregiving often falls to us. About six in ten family caregivers in the US are women. When the role runs long and heavy, research links its strain to an inflammation marker that climbs faster over the years, to slower healing, and to signs of faster cell aging.
The pain gets documented less. In a large study of emergency-room visits, women’s pain scores were less likely than men’s to be recorded, and women were less likely than men who reported the same pain to be prescribed pain relief.
Seen together, these make a woman’s symptoms easier to read, for her and for the care team she chooses.
Hormones, inflammation, the products on the shelf, the care we give, a hard week: the body meets them all at once. It integrates. Which means your healing must, too.
Toward a healthier future
It starts with one room: a window open to clean air, a bedroom quiet enough to hear the birds at first light. When more of us take our surroundings seriously, we help build safer homes and workspaces, a shorter road to understanding, and a future that protects both the body and the planet.
What heals us also heals the world.
I write about this on Substack, as the research grows.