DCL
Cycling while talking on the phone already has risks; perhaps the exposure to the electronic non-ionizing radiation from the cellphone is harmful, too. Over at TreeHugger, we looked at the possible dangers in general from cellphones, microwaves and Wi-Fi.
The precautionary principle suggests that "when an activity raises threats of harm to human health or the environment, precautionary measures should be taken even if some cause and effect relationships are not fully established scientifically." Given the confused state of the science around this subject, perhaps we should all take a few precautionary steps.
