Back in the 1970s, we were not walking around thinking, Is this going to hurt me in twenty years?
We were thinking about gas money, the next song on the radio, and whether we could talk our parents into letting us stay out until the streetlights came on.
But when I look back now, with the slower pace that retirement brings, I see something that makes me wince a little. So many everyday products felt completely ordinary.
We bought them, used them, and breathed them in without a second thought. And some of them were quietly doing damage in the background.
I am not writing this to make you scared of every bottle under the sink. I am writing it because there is a useful self-development lesson here: what we call “normal” depends a lot on what we have not learned yet.
Sometimes the most “harmless” habits and products are the ones we never question.
Let’s take a walk through eight familiar staples from the 70s that turned out to come with a price.
1) Leaded gasoline and the air around our cars
Do you remember the smell of gas stations back then? Some people even found it comforting, which sounds strange now.
Cars ran on leaded gasoline for years, and the lead did not stay neatly inside the engine. It came out of tailpipes, settled into dust, and lingered in the air we all shared.
The sneaky part about lead is that you do not always feel it right away. It can affect the nervous system and the brain, and children are especially vulnerable.
They are closer to the ground, they play in dirt, they put their hands in their mouths. Even if adults felt “fine,” kids often carried the heavier load.
If you grew up in the 70s, it is worth asking: How much did we accept simply because everybody else did?
2) Lead-based paint in homes and on everyday items
Peeling paint was so common it barely registered as a danger. Windowsills, door frames, porches, the basement steps. You scraped, you repainted, you moved on.
But lead-based paint is not just “old paint.” When it chips or turns to dust, it can be inhaled or swallowed, especially by little ones.
And because it was used so widely, families could be exposed without doing anything unusual. Just living in the home was enough.
This one always makes me feel for parents of that era. They were not careless. They were doing what people do: Trusting what is sold, trusting what builders used, trusting that something so common must have been tested properly.
3) Asbestos in ceilings, insulation, and “fireproof” materials
Asbestos is a word that can still make a room go quiet.
For a long time it was treated like a practical miracle because it resisted heat and fire. You could find it in insulation, ceiling textures, floor tiles, and other building materials.
The danger is what happens when those materials age, crack, or get disturbed during repairs and renovations. Tiny fibers can become airborne, and if inhaled, they can lodge in the lungs.
Problems often show up years later, not right away, which is part of what made it so insidious.
If you ever lived in a home with popcorn ceilings or did renovations without much thought, this might hit close.
4) DDT and household pesticides that felt “fresh”
In the 70s, chemicals were sold with cheerful confidence. Spray this, sprinkle that, and your home becomes clean, safe, and bug-free. It was packaged as control. And honestly, who does not like the feeling of control?
DDT was one of the best-known examples. It was used widely for pest control before concerns about its impact became impossible to ignore.
Many people first learned about it through Rachel Carson’s Silent Spring. I read it long after my childhood, and it stayed with me because she was not just warning about insects and birds.
She was warning about human arrogance, the belief that we can overpower nature without consequences.
It makes me think about how often we reach for quick fixes because they promise immediate relief.
5) PCBs hiding in equipment and the built world
PCBs are one of those hazards most people did not even know existed at the time. They were used in certain electrical equipment and industrial applications because they were stable and heat resistant.
That stability turned out to be part of the problem. PCBs can persist and build up over time.
They were not something most families deliberately brought into their homes, yet they could still be present in older equipment and materials.
What gets me is the reminder that you can be careful and still be exposed. Some things are not about personal choices. They are about systems, regulations, and what companies were allowed to sell.
6) Foam insulation and that “new house” smell
The 70s had an energy crisis, and a lot of people got serious about keeping heat inside. Insulation was practical, and it was marketed as a smart upgrade.
But some types of foam insulation could release formaldehyde gas.
This is where that “new house smell” stops feeling charming. Fumes can become background noise. People get used to them.
They assume the smell will fade. Sometimes it does. Sometimes it keeps irritating eyes, throats, and lungs, and nobody connects the dots for years.
Have you ever walked into a freshly remodeled room and felt your throat tighten or your eyes water? That is not your imagination. It is your body responding to something real.
7) Flame-retardant children’s pajamas that sounded responsible
This one makes my heart squeeze a bit, because it was wrapped in the language of protection.
Children’s pajamas were treated with flame retardants to reduce fire risk. On the surface, it sounded like good parenting and good design.
But some chemical treatments used in that era raised serious health concerns, and certain products were pulled back or restricted.
Families who bought them were not making reckless choices. They were doing what most parents do: reaching for what sounded safest.
If you are a parent or grandparent, you know that feeling. You want to protect kids from the obvious dangers, the ones you can picture. Invisible risks are harder, because you cannot react to what you do not know.
8) Antibacterial soaps and “germ-killing” ingredients
The 70s loved the idea of “antibacterial.” It felt modern and clean. The message was simple: Germs are the enemy, and this product keeps your family safe.
Some antiseptic ingredients used in consumer products later faced restrictions because of safety concerns. The pattern is familiar: A product gets popular, the marketing gets louder, and then the longer-term research catches up.
This is not just a history lesson. It is a present-day reminder.
We still live in a world that sells “extra strength” as if it is automatically better. Stronger cleanser. Stronger scent. Stronger disinfectant. Stronger everything.
But “strong” is not always the same as “healthy.” Sometimes the gentler approach is better for your skin, your lungs, and your nervous system. I would also argue it is better for your mindset, too.
Final thoughts
When I think about these products now, I do not just feel alarmed. I feel reflective. Because the bigger point is not, “The 70s were dangerous.” The bigger point is that we live inside the knowledge of our time.
Here is a question I have been asking myself more often since retiring: What in my own life have I accepted as “normal” just because I am used to it?
Maybe it is not a household product. Maybe it is a habit you keep repeating because it is familiar.
Maybe it is a relationship dynamic you tolerate because “that’s just how it is.” Maybe it is the way you speak to yourself when you are tired.
We can learn from the 70s without living in fear of the past. The lesson is simple: Just because something is common does not mean it is harmless.
And just because you have always done something one way does not mean you have to keep doing it.
Tell me, which of these do you remember most clearly? And is there a “everybody used it” product from your childhood that still makes you shake your head today?
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Explore our first video: The Brain Beneath Our Feet — a short-film by shaman Rudá Iandê that challenges where we believe intelligence comes from.
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