Minnesota regulators on Monday unveiled a big expansion of the state’s medical marijuana program, adding chronic pain and age-related macular degeneration to the list of conditions that can qualify for treatment.

The state Health Department also said it would allow more sites where patients can access medical cannabis.

The changes take effect in August.

Minnesota’s medical marijuana program began in 2014 and has been gradually adding conditions that can be treated with cannabis. Originally, only nine conditions made the cut. Now the list is much longer, from obstructive sleep apnea to post traumatic stress disorder to cancer.

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