In a first aspect, a method of tracking stress on a mobile telephone includes (a) employing a wearable monitor to detect a biometric parameter of a user (b) communicating biometric parameter information from the wearable monitor to a mobile telephone of the user and (c) employing the mobile telephone to: (i) obtain a current stress level of the user, the current stress level being determined based on biometric parameter information received from the wearable monitor (ii) obtain a preferred stress level for the user and (iii) display stress level information of the user on a display of the mobile telephone, the displayed stress level information including a comparison of the current stress level and the preferred stress level of the user. Numerous other aspects are provided.
