Studies have shown holistic health practices like yoga, mindfulness and meditation benefit children and teens as much as they do adults. Yet all too often, opportunities to learn these tools seem out of reach for kids from disadvantaged homes. Monica Samuels wants to change that. The founder of whole-body wellness facility Quasar Quantum Healing in Scottsdale has partnered with Big Brothers Big Sisters of Central Arizona to help at-risk kids experiencing anxiety, depression, substance-abuse issues,...