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Description
The bands may stay on for up to two weeks before they need to be removed and replaced with new ones as required for effective treatment results
ROS are a group of reactive components that include superoxide (O 2 ), hydroxyl (OH), and peroxyl (ROO), as well as nonradical forms like hydrogen peroxide (H 2 O 2 ), singlet oxygen ( 1 O 2 ), and ozone (O 3 )
Neuron 12: 10311040

Scheduled for surgery (discontinue 2 weeks before)

It's a less severe concern than, say, copper toxicity, but it's a practical safety issue that must be considered

That role is real and well described in biochemistry