title: Reply to Zhang.
authors.affiliation: Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, Florida; mdelp@fsu.edu.
authors.forename: Michael D
authors.initials: MD
authors.lastname: Delp
authors.affiliation: Institute for Biomedical Problems, Russian Academy of Sciences, Moscow; and.
authors.forename: Olga L
authors.initials: OL
authors.lastname: Vinogradova
authors.affiliation: Institute for Biomedical Problems, Russian Academy of Sciences, Moscow; and Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia.
authors.forename: Olga S
authors.initials: OS
authors.lastname: Tarasova
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology*; D000818:Animals; D002536:Cerebral Arteries / Q000502:physiology*; D002560:Cerebrovascular Circulation / Q000502:physiology*; D008297:Male; D013026:Space Flight; D014666:Vasomotor System / Q000502:physiology*; D018474:Weightlessness Simulation