Red light therapy (RLT) uses short wavelengths of red light to treat certain conditions. Though it seems promising, more research is needed to confirm benefits. RLT is generally safe but may depend on ...

Correspondence to Dr Margo Mountjoy, Department of Family Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON N2G 1C5, Canada; mmsportdoc{at}mcmaster.ca In 2014, the ...