Gov. Jim Justice has signed a bill that makes West Virginia the 30th state to allow the use of marijuana for certain medical conditions.

Justice signed the bill Wednesday at the state Capitol in Charleston.

The law lets doctors prescribe cannabis for patients who are terminally ill or who have seizures, cancer, chronic pain, post-traumatic stress disorder, AIDS and other specified conditions. It will license plant growers, processors and dispensaries for cannabis in pills, oils, topical gels, liquids and a form that can be vaporized.

The state Bureau of Public Health will oversee implementation of the law. Patient identification cards could be issued starting in July 2019.

The law doesn't authorize the sale of cannabis for smoking and patients can't grow their own plants.

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