When it comes to keeping a home healthy, safe, and sustainable, it’s easy to get overwhelmed by the sheer number of products promising “convenience,” “power,” or “performance.” Big box stores like Home Depot offer much of what we need for home projects, repairs, and improvements, but not every product on those shelves deserves a place in your garage or under your roof. As someone who has spent years studying environmental science and investigating how everyday products impact our health and ecosystems, I’m here to tell you there are certain items I avoid—and I encourage you to do the same. These aren’t just minor preferences or “greener choices.” These are products with significant toxic risks to your health, home environment, and in some cases, your entire neighborhood ecosystem. Let’s break down three major offenders you’ll want to think twice about before tossing them in your cart.

#1 Traditional Drywall – A Hidden Mold Magnet and Air Polluter

Most homeowners never think twice about what their walls are made of. Drywall is just… drywall, right? Not exactly. Traditional drywall—the kind you’ll find lining the aisles of most hardware stores—is a serious hidden risk to indoor air quality and home health. First, the construction of standard drywall often includes a paper-based backing. Under normal, dry conditions, this isn’t much of an issue. However, the second moisture gets involved, whether from a leak, high humidity, or an unnoticed drip behind the walls, and that paper creates the perfect breeding ground for mold. Even worse, once mold takes hold inside drywall, it’s nearly impossible to remove without tearing down and replacing the affected sections. That’s not just a headache; it’s a serious health risk, especially for young kids, older adults, or anyone with asthma or immune challenges. On top of the mold risk, many drywall products are manufactured with formaldehyde and other volatile organic compounds (VOCs) that leach into your indoor air over time. Formaldehyde is a known carcinogen, meaning it’s been scientifically linked to cancer. It can also trigger headaches, respiratory issues, and long-term immune system impacts. When you consider how much drywall is used in the average home, from bedrooms to living rooms to basements, that exposure can add up.

If you’re building, remodeling, or doing any home improvement that involves walls, I would recommend Magnesium Oxide Board (MgO), other mold-resistant drywall options like Fiberglass-Faced Drywall or Cement Board, considering products that are certified low- or no-VOC to protect your indoor air.

#2 Roundup – A Herbicide with Dangerous Replacements

Chances are you’ve heard about the controversies surrounding Roundup and its primary active ingredient, glyphosate. Over the past decade, lawsuits, scientific studies, and significant media coverage have linked glyphosate exposure to a range of health problems, including non-Hodgkin lymphoma. But many people don’t realize that even as glyphosate-based products are being phased out or replaced, the substitute chemicals are not necessarily safer. In fact, some early research suggests the replacement formulas may be even more complex on the body’s immediate systems, particularly the neurological system. Some of the chemicals now used in place of glyphosate have been linked to increased risks of developing Parkinson’s disease and other severe neurodegenerative conditions. These aren’t abstract, long-term possibilities; we’re talking about real, measurable risks from products people spray on their gardens, sidewalks, and driveways every weekend. Herbicide exposure doesn’t just happen when you’re actively spraying. Residue can remain on surfaces, seep into the groundwater, or get tracked inside on shoes and pets. Children playing outside, dogs rolling on the lawn, and even your weekend gardening could lead to repeated, low-level exposure over time. It’s a cumulative burden—and it’s completely avoidable. If you need to manage weeds, look into mechanical options like flame weeders, natural vinegar-based sprays, or even manual removal. It takes more elbow grease, but your body and backyard will be better off.

#3 Weed & Feed – A “Convenient” Formula That Comes at a Big Cost

The name “Weed & Feed” sounds like an efficient, no-brainer solution for a lush, green lawn. But the truth is that these combination products are packed with some of the most toxic chemicals still available for consumer use. Chief among them is 2,4-Dichlorophenoxyacetic acid, more commonly known as 2,4-D. This chemical has a dark history: it was a primary ingredient in Agent Orange, the defoliant used during the Vietnam War that has been linked to devastating health effects for both military personnel and civilians. Today, 2,4-D is still tied to non-Hodgkin’s lymphoma, hormone disruption, reproductive system damage, and developmental problems in children. Even small, routine applications on your lawn can have serious consequences, particularly if you have kids or pets playing outside. Like other herbicides, 2,4-D doesn’t just stay where you spray it. It can volatilize into the air and travel beyond your yard, contaminating neighboring areas. It can also run off into storm drains and waterways, affecting wildlife and aquatic systems downstream. The choice becomes pretty clear when you weigh the slight cosmetic benefits of a “perfect” lawn against these real, documented health risks. There are safer ways to cultivate healthy grass, starting with building rich, living soil through composting and natural amendments, overseeding with hardy grass varieties, and using organic lawn care practices that strengthen the entire ecosystem of your yard rather than nuking it with chemicals.

The Bigger Picture

Being a savvy, proactive homeowner isn’t just about saving money or getting the job done faster. It’s about creating a living environment that supports your health, your family’s well-being, and the natural world’s resilience. Every purchase decision is a vote for the kind of world we want to live in—and the kind of home we want to return to daily. There are always safer alternatives if you look deeper and invest more thought into the process. Our homes are our sanctuaries. Let’s ensure we’re building and maintaining them in ways that truly support life.

References:

1. David, Elena, and Violeta-Carolina Niculescu. “Volatile Organic Compounds (VOCs) as Environmental Pollutants: Occurrence and Mitigation Using Nanomaterials.” International Journal of Environmental Research and Public Health, vol. 18, no. 24, Dec. 2021, p. 13147.
2. Salthammer, Tunga. “Microplastics and Their Additives in the Indoor Environment.” Angewandte Chemie (International Ed. in English), vol. 61, no. 32, Aug. 2022, p. E202205713.
3. Mohd Ghazi, R., Nik Yusoff, N. R., Abdul Halim, N. S., Wahab, I. R. A., Ab Latif, N., Hasmoni, S. H., Ahmad Zaini, M. A., & Zakaria, Z. A. (2023). Health effects of herbicides and its current removal strategies. Bioengineered, 14(1), 2259526. https://doi.org/10.1080/21655979.2023.2259526
4. Boelter, F. W., Xia, Y., & Dell, L. (2015). Comparative risks of cancer from drywall finishing based on stochastic modeling of cumulative exposures to respirable dusts and chrysotile asbestos fibers. Risk Analysis, 35(5), 859–871. https://doi.org/10.1111/risa.12297