Current law regarding assisted suicide:
A person who willfully, or in any manner, advises, encourages, abets, or assists another person to take, or in taking, the latter’s life, or in attempting to take the latter’s life, is guilty of a felony and, on conviction, shall be punished by imprisonment in the penitentiary not exceeding ten years, or by fine not exceeding one thousand dollars, and imprisonment in the county jail not exceeding one year. (ยง 97-3-49)

2017 – Doctor-prescribed suicide bill
The “Mississippi Death With Dignity Act” was introduced in the Senate on January 13, 2017 but was declared “dead” on January 31, 2017.
Text of bill