Experimental investigations as well as clinical and epidemiological findings have provided evidence supporting the role of reactive oxygen metabolites or free radicals such as singlet oxygen O 2 - , superoxide anions (O 2 ), hydrogen peroxide (H2 O2 ) and hydroxyl radical in the etiology of cancer.
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Stress, fear increase cancer recurrence risk, study says - ScienceBlog.com - 0 views
Fear of cancer recurrence: Mind-body tools offer hope - Harvard Health - 0 views
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