Grok says:
The relationship between electromagnetic fields (EMF) and cancer has been studied extensively, but the evidence remains inconclusive. Here's a concise breakdown:
- **Low-Frequency EMF** (e.g., power lines, household appliances): These produce non-ionizing radiation, which lacks the energy to directly damage DNA. The International Agency for Research on Cancer (IARC) classifies low-frequency magnetic fields as "possibly carcinogenic" (Group 2B), based on limited evidence from epidemiological studies, particularly linking childhood leukemia to prolonged exposure. However, animal studies and mechanistic evidence are weak, and no clear causal link has been established.
- **Radiofrequency EMF** (e.g., cell phones, Wi-Fi): Also non-ionizing, these are classified by IARC as "possibly carcinogenic" (Group 2B), primarily due to some studies suggesting a potential link to brain tumors (e.g., gliomas) with heavy, long-term cell phone use. However, large-scale studies, like the INTERPHONE study and others, show inconsistent results, and no definitive mechanism for harm has been identified.
- **Ionizing Radiation** (e.g., X-rays, not typically considered EMF in this context): This can damage DNA and is a known carcinogen, but it’s distinct from the non-ionizing EMF from everyday devices.
**Key Points**:
- Most studies show no consistent or strong evidence that EMF from common sources (like phones or power lines) causes cancer.
- Regulatory bodies (e.g., WHO, FDA) state that current evidence doesn’t confirm harm but recommend precautionary measures, like limiting cell phone use or using hands-free devices.
- Ongoing research continues to monitor long-term effects, especially with 5G and increased EMF exposure.
If you want specifics on study data or exposure guidelines, I can dig deeper. Let me know!