Nursing is a healthcare profession focused on caring for individuals, families, and communities throughout their lives. Nurses work in various specialties and settings, including hospitals, offices, nursing homes, and public health. Education requirements range from vocational programs to bachelor's, master's, and doctoral degrees. Salaries vary depending on factors like location, years of experience, specialty, and position, but the median salary for registered nurses in the US is around $41,000-$45,000, and can be over $100,000 for those with more experience or advanced degrees. Benefits typically include health insurance, paid time off, shift differentials, overtime pay, and retirement plans.