Scientists believe we dream to help our brains process emotions, consolidate memories, and maintain mental health. Dreams occur naturally during REM (Rapid Eye Movement) sleep, when the brain is highly active.

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Tax brackets are ranges of income that are taxed at different rates, so as your income increases, different portions of it are taxed at progressively higher percentages. You don't pay one single tax rate on all your income; instead, each bracket is taxed at its own rate.

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Stocks represent ownership shares in a company, while bonds are loans you give to a company or government that they promise to pay back with interest. When you own stock, you own part of the company; when you own a bond, you are a lender.

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A 401(k) is a retirement savings plan offered by employers that lets workers set aside money from their paychecks before taxes are taken out. The money grows over time through investments, and many employers match a portion of what employees contribute.

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Whether to rent or buy depends on your financial situation, how long you plan to stay in one place, and local market conditions. Both options have advantages and disadvantages that vary by person.

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