By Dr. Marie Andersson

Part 3 of a 3-part series on vitality

Part 1 covered the fats your cells are built from. Part 2 covered the medications and epigenetic switches that can work against you. This final issue covers the last piece: the toxins you’re exposed to every day, and the daily habits that either protect your vitality or quietly wear it down.

None of this is meant to overwhelm you. Modern life exposes all of us to far more toxins than our grandparents ever encountered, and you can’t eliminate all of it. But you can meaningfully reduce your load with a handful of practical changes, and pair that with the daily habits that give your body room to recover and repair.

Toxin Exposure: Where It Comes From

Let’s start with where these exposures actually come from.

If we look at modern life in this country, toxin exposure has become the norm, not the exception. Exposure comes from many sources, but the primary ones are woven into daily life: the food we eat, the water we drink, the air we breathe, and sometimes the medications we take, which is exactly what Part 2 covered. To maintain or recover your health, the goal is to eliminate as many of these exposures as realistically possible. Common sources include:

• Pesticides and herbicides on conventionally grown produce
• Heavy metals like lead, mercury, arsenic, and cadmium, found in some water supplies, soil, and seafood
• Plastics and their chemical byproducts, such as BPA and phthalates, which leach from food packaging, containers, and even receipts. Phthalates are what make plastic soft. The softer the plastic, the more phthalates it likely contains.
• Volatile organic compounds (VOCs) off-gassed from paints, carpets, furniture, and household cleaners
• Air pollution, both outdoor (traffic, industry) and indoor (poor ventilation, mold)
• PFAS, the so-called “forever chemicals,” found in nonstick cookware, stain-resistant fabrics, and some food packaging

For the fuller list, broken down by household, food and water, personal care, outdoor air, and occupational exposures, see our companion Common Environmental Toxin Exposures guide.

Sounds like a lot, doesn’t it? It is. Being healthy in modern life has become more complicated than it should have to be. Mold deserves its own newsletter entirely, so we’ll save that topic for another time. Before getting to what you can do about it, it’s worth understanding what all of this exposure actually does to your body.

How Toxins Affect Your Health

Before we get to the specific hormone effects, it helps to understand what toxin exposure does to your body more broadly.

• Cellular damage: toxins like heavy metals and mold-related mycotoxins act as direct poisons to your mitochondria, the energy factories inside every cell we introduced in Part 1. They interfere with the enzymes your cells use to produce energy, causing a real collapse in ATP, your body’s energy currency. Under this kind of chemical stress, cells shift into self-protection mode: they harden their outer membranes, disconnect from neighboring cells, and shut down energy production, almost like pulling up a drawbridge. It’s a smart short-term survival response, but when the exposure doesn’t let up, cells can get stuck there, which is part of why chronic toxin exposure so often shows up as fatigue and brain fog that don’t resolve on their own.
• Liver and kidney burden: every toxin has to be filtered out through the same detox pathways as medication, described in Part 2, so toxin exposure and polypharmacy add to the same cumulative load on your liver and kidneys. Your liver clears toxins in two main steps: first it converts them into new compounds (which, briefly, can be even more reactive than the original toxin), then a second step neutralizes those compounds so they can be flushed out through the colon, kidneys, skin, and lungs. When you’re exposed to more than that two-step system can keep up with, partially processed compounds can recirculate in your body, adding to inflammation and making it harder for your hormones to do their job properly too.
• Neurotoxicity: heavy metals like lead and mercury are well documented to affect brain function and development, with children especially vulnerable.
• Immune dysfunction and chronic inflammation: ongoing low-level exposure can keep the immune system in a persistent inflammatory state.
• Gut microbiome disruption: toxins can shift populations of gut bacteria, undermining the short-chain fatty acid production Part 1 discussed.

Common signs your body may be carrying a heavier toxic load include:

• Persistent fatigue or brain fog that doesn’t ease with rest
• Chronic inflammation or joint discomfort
• Trouble losing weight despite diet and exercise
• Slow recovery from illness or stress

HOW WE CAN HELP
If several of these sound familiar, we often start with the Toxin Zoomer through Vibrant Wellness, a single urine test that screens for heavy metals, mold-related mycotoxins, PFAS, and dozens of other environmental chemicals, alongside genetic markers for how well your body detoxifies them. It’s a direct way to see what’s actually driving your symptoms rather than guessing.

One category of toxin deserves its own closer look: endocrine disruptors, chemicals that interfere with your hormones directly. Their effects touch nearly every system in the body.

Endocrine Disruptors: Health Effects

Here’s the breakdown by system:

Metabolic

• Obesity and weight gain
• Type 2 diabetes
• Metabolic syndrome

Cardiovascular

• Atherosclerosis and endothelial dysfunction
• General cardiovascular disease risk
• Congenital heart disease: research has linked maternal endocrine disruptor exposure to higher rates in offspring

Reproductive & Fertility

• Impaired semen quality, decreased ovarian reserve, and infertility
• Polycystic ovary syndrome (PCOS)
• Altered reproductive hormone levels (estradiol, LH, FSH)
• Worse outcomes with assisted reproductive technologies like IVF

Endocrine & Hormonal

• Gynecomastia (breast development in males)
• Thyroid disruption: endocrine disruptors are well documented to interfere with thyroid hormone function

Cancer

• Breast and prostate cancer, both linked to endocrine-disruptor-driven hormonal disruption
• Endocrine cancers more broadly, now recognized as a chronic-disease consequence of this exposure alongside the metabolic, cardiovascular, and reproductive effects above

Bone

• Osteoporosis

Developmental & Neurological

• Neurodevelopmental effects; BPA in particular has been studied for its impact on both reproductive health and neurodevelopment
• Poorer childhood metabolic health

To put a number on it: one estimate puts the annual US economic cost of phthalate exposure alone at more than $39 billion in lost productivity, with more than 90,000 associated deaths each year, and a separate analysis puts total US healthcare costs from plastics-related endocrine disruptors at $250 billion in 2018.

Could This Be Showing Up for You?

Hormonal imbalance doesn’t always look dramatic. More often, it shows up as:

• Persistent fatigue or energy crashes, even after a full night’s sleep
• Unexplained weight changes despite no real shift in diet or activity
• Irregular, heavy, or unpredictable periods, or perimenopausal symptoms
• Hot flashes, night sweats, or trouble sleeping through the night
• Mood swings, anxiety, or irritability that feel out of character
• Thinning hair, new acne, or other skin changes
• Low libido or reduced interest in intimacy
• Joint pain, stiffness, or muscle weakness that’s crept up over time

If several of these sound familiar, the most reliable way to know what’s actually going on is to test your hormones directly rather than guess.

HOW WE CAN HELP
We commonly recommend the Hormone Zoomer through Vibrant Wellness for patients with symptoms like these. It’s a urine test that maps your sex and adrenal hormones, including cortisol, while also directly screening for common endocrine disruptors like BPA, phthalates, and parabens, so you can see how your hormone levels and your actual toxin exposure connect in a single report.

Practical Steps to Reduce Toxin Exposure

Now that you know what’s at stake, let’s break this down into practical, doable measures.

• Eat clean food: get organic when you can, and pay attention to the “Dirty Dozen” list of the most pesticide-contaminated produce. EWG.org is a good resource, and several apps let you scan food labels on the spot to check what you’re buying.
• Avoid ultra-processed food: it’s typically loaded with preservatives, dyes, and packaging chemicals, and stripped of the nutrients your cells actually need. For specific examples and easy swaps, see our Ultraprocessed Foods guide.
• Filter your water: a good filter removes chlorine, fluoride, and other contaminants common in municipal water. If you have well water, get it tested directly, since regional contaminants (uranium is high in parts of Appalachia and Colorado, for example) vary by location. Watercheck.com is a good testing resource.
• Skip toxic cleaning products: swap in natural options like vinegar and baking soda, or choose brands documented to be safe. Anything you put on your skin is absorbed into your bloodstream, so the same logic applies to soaps and detergents.
• Choose personal care products without endocrine disruptors or heavy metals: these chemicals interfere with your body’s ability to use hormones properly, contributing to the imbalances covered above.

Fasting, Exercise, Breathing & Sleep

Reducing your exposure is half the equation. The other half is strengthening your body’s own resilience through daily habits.

Fasting is an important part of supporting vitality. When you fast, you slow the oxidative processes tied to aging, and extended fasts, in the 3 to 5 day range, trigger deeper cellular cleanup, though longer fasts like that should be done under medical guidance.

HOW WE CAN HELP
Fasting, especially extended fasts, is something I coach patients through personally rather than leaving you to figure out on your own. If you’re curious about incorporating fasting safely, that’s exactly the kind of thing we build into an individualized plan.

Exercise matters too, and maybe less of it than you’d expect. Research suggests one or two days a week of strenuous activity, such as hiking, long bike rides, or vigorous swimming, can be enough to keep your body in good shape, which is the idea behind high-intensity training. That said, daily walking still matters for keeping blood flowing and energy steady throughout the day.

Breathing is worth paying attention to as well. Have you noticed that stress makes your breathing go shallow, or that you sometimes catch yourself holding your breath? That’s the fight-or-flight response at work, and deep abdominal breathing is what turns it back off. One simple place to start: box breathing, inhale for 4 counts, hold for 4, exhale for 4, hold for 4, and repeat for a minute or two. Most of us could stand to do that several times a day.

Sleep rounds this out: 7 to 8 hours a night gives your body the time it needs to repair, consolidate memory, and regulate the same hormones this series has been talking about all along. A consistent bedtime and wake time, even on weekends, does more for sleep quality than most people expect, and cutting screen time in the hour before bed gives your melatonin room to do its job.

Diet and supplementation tie all of this together. Fish oil and phospholipids, covered in Part 1, give your cells the raw material to rebuild the very membranes toxins damage. Soluble fiber feeds the gut bacteria that produce the short-chain fatty acids protecting your DNA from epigenetic disruption, and antioxidants help neutralize the oxidative stress that toxin exposure generates in the first place. Most people fall short on all four from diet alone, which is where targeted supplementation can help close the gap.

Key Takeaways: Toxins & Vitality

Let’s sum up the important things to keep in mind to maintain vitality:

• Eat clean, organic whole foods with plenty of soluble fiber.
• Drink clean, filtered water rich in electrolytes.
• Avoid the bad fats used in most restaurants and packaged food.
• Add healthy fats to your daily diet (see Part 1 for exactly which ones).
• Get regular exercise to support your cardiovascular system and muscle mass.
• Get 7 to 8 hours of sleep each night.
• Practice deep breathing to counter chronic stress.
• Not sure where you stand? Testing your toxin and hormone levels directly beats guessing.
• And most importantly, laugh: the benefits of a good belly laugh are real.

That’s the full picture: the fats that build your cells, the medications and epigenetic switches that can work for or against you, and the toxins and daily habits that round it out. No single fix creates resilience. It’s the synergy between systems. When you reduce your toxic load, support your cells’ energy production, and give your body the fats and nutrients it needs to repair itself, those systems start talking to each other again instead of working in isolation. Vitality isn’t one single fix; it’s the sum of all three, and now you have a real starting point for each.

Ready to Reduce Your Toxic Load?

If you’d like help figuring out where to start, whether that’s testing your water, reviewing your personal care products, or testing your actual toxin and hormone levels directly with tests like the Toxin Zoomer or Hormone Zoomer from Vibrant Wellness, we’d love to help. Contact us to get started.

As always, check with your doctor before making significant changes to your diet, fasting routine, or supplement regimen.

This concludes our 3-part series on vitality. Thank you for reading, and here’s to your health.

Note: This content is intended for informational purposes. Always consult a qualified healthcare professional before making changes to your health management plan.