“When the gut is healthy and balanced, it sends ‘good’ signals that support brain health. But when it’s disturbed—by stress, poor diet, or antibiotics—it can send “stress” signals that may impair ...

The phrenic nerve controls the diaphragm, the dome-shaped muscle that is primarily responsible for breathing. Contraction of the diaphragm expands the lungs and draws air into them. The phrenic nerve ...