Nothing convinces me that “mental health matters” more than the wealth of scientific evidence on the unity of mind and body. Examples include the strong relationships between stress and immune system function, depression and heart disease, smoking and suicide risk, exercise and depression – the list goes on and on. It behooves all of us to remember that mind and body are one – when we treat one, we treat the other. Tom Ellis, PsyD, ABPP, director, Psychology