When something genuinely works, people discover it, experience the benefits, and share it with others. This organic spread is how practical knowledge has always moved through human populations. No advertising budget required.
The pharmaceutical industry operates under a different model. Research and development spending runs 13-15% of revenue. Marketing spending runs 25-30% of revenue.
They spend twice as much convincing people to buy products as they spend developing them.
Willow bark for pain relief has been used for over 4,000 years. Honey for wound healing appears in ancient Egyptian medical texts. Ginger for nausea shows up in traditional medicine across unconnected cultures. Garlic for infection was recognized independently on multiple continents.
These weren't discovered through focus groups or market research. They spread because they worked. Generation after generation continued using them because the results spoke for themselves.
No one needed to be convinced that rest helps when you're exhausted. No campaign was required to establish that warm compresses soothe sore muscles. These observations passed from person to person because they aligned with direct experience.
When a product requires a $300 million marketing campaign, that's information.
It doesn't necessarily mean the product is useless. But it means the product doesn't sell itself through obvious benefit. Something that clearly works for most people who try it doesn't need that level of persuasion.
True medical breakthroughs spread organically. When antibiotics first appeared in the 1940s, doctors witnessed recoveries from previously fatal infections. Word moved through the medical community without advertising. When insulin became available, diabetic patients came back from death's door. The results were the marketing.
The pattern: when benefit is obvious and substantial, adoption follows naturally. When benefit is marginal, statistical, or requires complex explanation, marketing fills the gap.
Common sense solutions have staying power because they align with how bodies actually work.
Turmeric for inflammation: 3,000+ years of traditional use. Chamomile for sleep: 2,000+ years across cultures. Movement for health: universal human understanding across all recorded history.
These survived not because of marketing campaigns but because each generation discovered independently that they made sense.
Modern pharmaceuticals follow a different trajectory. Average patent life: 20 years. Average time before significant side effects emerge in population use: 5-10 years. Percentage that become long-term staples used across generations: small.
The phrase "if it was here for 50 years, it should be here 50 more" contains practical wisdom. Solutions that persist across generations do so because they continue working for the people who use them. Solutions that require constant replacement with "new and improved" versions reveal something about the original.
Pharmaceutical marketing spending breaks down roughly as follows: direct-to-consumer advertising, medical journal advertising, sales representatives visiting physicians, conference sponsorships, payments to influential prescribers.
This machinery exists to influence decisions. Some of that influence is informational - doctors learning about new options. Some of it is persuasional - creating preference where clinical evidence doesn't clearly favor one choice.
The question isn't whether marketing is inherently wrong. The question is what it indicates about the product being marketed.
Common sense observations don't require this infrastructure. "Rest when you're tired" doesn't need a sales force. "Eat food that doesn't make you feel bad" doesn't need celebrity endorsements. "Move your body" doesn't need a $6 billion annual advertising budget.
Heavy marketing correlates with certain product characteristics:
Marginal benefit over alternatives: When the advantage is small, marketing amplifies perceived difference.
Healthy target population: Common sense says healthy people don't need daily medication. Convincing them otherwise requires persuasion.
Lifestyle substitution: Marketing positions products as easier than behavior change.
Statistical rather than experiential benefit: When individuals can't feel the difference, messaging creates the perception of value.
None of these characteristics make a product worthless. But they suggest the product occupies different territory than the remedies that spread through obvious effectiveness.
Things that align with common sense share patterns:
Intuitive: They make sense without complex explanation. You understand why rest helps recovery without needing a mechanism diagram.
Accessible: They're available to most people, not gated behind patents or premium pricing.
Gentle: They work with natural processes rather than overriding them.
Sustainable: They can be used long-term without accumulating harm.
Cross-cultural: They appear independently across unconnected populations, suggesting discovery rather than invention.
Products requiring heavy marketing often show opposite characteristics. Counter-intuitive mechanisms requiring extensive explanation. Proprietary formulations with artificial scarcity. Aggressive action that overrides rather than supports. Significant side effect profiles limiting duration of use. Cultural specificity to modern marketing-driven societies.
Before adopting any health intervention, the marketing test provides useful information:
How did you learn about this? Through direct experience, word of mouth from people you trust, or through advertising?
How much is spent promoting it? Products that sell themselves through obvious benefit don't need massive promotion budgets.
How long has it been used? Solutions that persist across generations do so because they keep working. Solutions that require constant "new and improved" versions reveal limitations in the original.
Does it make intuitive sense? Common sense aligns with direct understanding. Needing complex explanation to justify a health choice is a signal, not proof of problem, but information worth weighing.
Effective solutions spread through effectiveness. People try them, experience benefit, and tell others. This mechanism has transmitted practical health knowledge for thousands of years.
The marketing infrastructure exists to create adoption where organic spread doesn't happen. Sometimes that's because a genuinely useful product is new and unknown. Sometimes it's because the product doesn't produce obvious enough benefit to spread on its own merits.
The presence of heavy marketing doesn't prove a product is bad. But it does indicate that common sense alone wouldn't lead you to it. That's worth knowing when you're deciding what to put in your body.