Punishing physicians for expressing death wishes toward children is within the Texas Medical Board's power. Such conduct likely violates professional standards and public welfare requirements, warranting disciplinary action under the Texas Medical PracticeAct. Physicians who engage in this behavior could be subject to sanctions, as their actions may constitute unprofessional conduct. The Board's broad authority extends to investigating complaints and imposing measures such as license suspension, revocation, monetary fines, or probationary terms based on offense severity.