Thinking about online dating in your later years? The strength of their handshake may indicate the odds against a winner. It might be the human equivalent of looking in a horse’s mouth. Researchers at Michigan Medicine found a link between lower grip strength and biological age acceleration among men and women. Mark Peterson, lead author of the study and associate professor of physical medicine and rehabilitation at University of Michigan said screening for grip strength could help design interventions to delay or prevent adverse “age related” health problems. “Muscle weakness could be the new smoking”.