Explanation: 5G operates in higher frequency bands compared to its predecessors like 4G. Specifically, it uses millimeter waves (mmWave) in addition to mid-band and low-band frequencies.
Concern: Some believe that these higher frequencies, especially the mmWave, could pose health risks due to their shorter wavelengths.
Scientific Perspective: The electromagnetic frequencies used by 5G fall within the non-ionizing radiation spectrum. This means they don't have enough energy to ionize atoms or molecules, which is a process known to damage DNA and cause cancer. While there's ongoing research, current scientific consensus suggests that non-ionizing radiation from 5G is unlikely to cause direct harm to humans at levels below international safety guidelines.
2. Dense Network of Antennas:
Explanation: 5G networks require more cell towers or antennas due to the shorter range of higher frequencies. This might mean a denser network of smaller cells, including small cells on streetlights and buildings.
Concern: The proximity of these antennas to populated areas has raised concerns about continuous exposure to radiation.
Scientific Perspective: Regulatory bodies around the world have established safety limits for exposure to radiofrequency (RF) radiation. Studies conducted so far have not provided clear evidence that exposure below these limits causes adverse health effects.
3. Thermal Effects:
Explanation: When radiofrequency waves interact with human tissue, they can cause heating due to the energy they carry.
Concern: Prolonged exposure to elevated temperatures could lead to tissue damage or other health issues.
Scientific Perspective: The primary safety guidelines established for RF exposure, such as those by the International Commission on Non-Ionizing Radiation Protection (ICNIRP) and the Federal Communications Commission (FCC), account for thermal effects. They set limits to ensure that exposure does not cause a significant temperature increase in the human body.
4. Potential Interference with Medical Devices:
Explanation: There are concerns that 5G signals could interfere with medical devices such as pacemakers or insulin pumps.
Scientific Perspective: Medical devices are designed and tested to ensure they operate safely even in environments with electromagnetic interference. Manufacturers take precautions to shield devices from potential interference sources, including 5G signals.
