.jpeg&w=338&h=338&q=80&zc=3)
Dr Brendan D.L. Callaghan, PhD, MCP, is a Canadian psychotherapist and nutritionist from Toronto, Ontario. Dr Callaghan’s clinical practice is focused on helping individuals, couples, and families work through a variety of presenting concerns. In academia, Dr Callaghan’s specialty has been in the neuropsychology of positivity; the science of how to be happy.