Original sentence: A biorhythm (or biological rhythm) is a hypothetical cyclic pattern of alterations in physiology, emotions, and/or intellect.Some proponents think that biorythyms are related to bioelectricity and its interaction in the body.The three classical cycles of biorhythms are endogenous infradian rhythms
Edited sentence: A biorhythm (or biological rhythm) is a cyclic pattern of alterations in physiology, emotions, and/or intellect.Biorythyms are related to bioelectricity and its interaction in the body.The three classical cycles of Biorhythms are endogenous infradian rhythms