If you want your significant other (and not relatives) to make health decisions for you, make sure to update your medicalpower of attorney.
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The second is a health care power of attorney, which grants someone the power to make other medical decisions for you if you're not able to and to ensure your living will is followed.
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You may also want to consider appointing a healthcare power of attorney to make medical decisions in the event that you are incapacitated by an injury.
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