If you look at a chart of the radiation spectrum, you can s…

If you look at a chart of the radiation spectrum, you can see where the sub cellular damage starts to happen. That chart usually does not or those types of charts usually don't count for sustained localized emissions, which is why you're seeing Nero scientists talk about RF signals way too close to the brain with wireless earbuds, especially cost cutting practices that reduce the shielding and have low-grade parts.