In other words, there appears to be a decrease in overall body size within our lineage, rather than size simply staying the same or just getting bigger. (sciencedaily.com)
With the exception of a few modern breeds, dogs generally have a smaller overall body size than wolves. (pbs.org)
While you're unlikely to notice a major reduction in overall body size, you may feel markedly «lighter» and more energetic. (womenshealthandfitness.com.au)