Most likely. In Massachusetts, once a person turns 18, a person is presumed to be legally capable of being an adult no matter the level of cognitive functioning. Medical privacy laws (HIPAA) also go into effect at 18.
To make educational, financial, and medical decisions for them, you will need to have some legal authority to do so. If you feel that your child will have significant trouble making adult decisions, it is encouraged to seek a guardianship.
However, the guardianship process can be extensive. Therefore, having an attorney assist you with this process would be essential to ensure everything goes smoothly. Contact us to learn more.