A vehicular system includes a wearable device and a computing device. The wearable device is configured to be worn by an operator of a vehicle. The wearable device includes a sensor configured to measure a physiological state of the operator. The wearable device is configured to output physiological data indicative of the physiological state of the operator or operator health alert data indicative of a determined health problem associated with the operator. The computing device includes a processor configured to receive the physiological data associated with the operator or the operator health alert data from the wearable device and to determine whether the operator is experiencing a health problem based on the physiological data or the operator health alert data.