Ohio medical marijuana regulators have proposed new rules for how businesses can sell cannabis to patients.

Ohio medical marijuana regulators have proposed new rules for how businesses can sell cannabis to patients.

Supporters of the new push to legalize medical marijuana in Ohio have added several new medical conditions to a proposed constitutional amendment, including chronic traumatic encephalopathy, or CTE.

Supporters of the new push to legalize medical marijuana in Ohio have added several new medical conditions to a proposed constitutional amendment, including chronic traumatic encephalopathy, or CTE.

The relationship between caffeine and cannabis and the effects on brain chemistry are examined in the Journal of Neuroscience.

NORTH STONINGTON — After discovering the benefits of medical marijuana for her patients suffering from chronic conditions, a local physician hopes to bring relief to patients who live in remote areas or cannot travel using telemedicine.

Oregon should fund an independent marijuana institute to support and conduct world-class research into the drug's medical and public health benefits, says a task force that includes state officials, scientists and leading physicians.

The state's tightly controlled program has seen high costs and low enrollment. Pain patients might turn the tide.

The state's tightly controlled program has seen high costs and low enrollment. Pain patients might turn the tide.

After months of delay, state officials granted Maryland's first preliminary medical marijuana licenses.

After months of delay, state officials granted Maryland's first preliminary medical marijuana licenses.

Can marijuana help solve the opioid epidemic?

HARRISBURG — The House on Wednesday approved allowing the medical use of marijuana in Pennsylvania, sending the legislation to the Senate, which has approved medical cannabis bills in the past.

HARRISBURG — The House on Wednesday approved allowing the medical use of marijuana in Pennsylvania, sending the legislation to the Senate, which has approved medical cannabis bills in the past.

HARRISBURG, Pa. (WHTM) – The Pennsylvania House of Representatives is scheduled to take up a bill to legalize medical marijuana. The bill has been stalled in the House since it overwhelmingly passed the Senate last May.

HARRISBURG, Pa. (WHTM) – The Pennsylvania House of Representatives is scheduled to take up a bill to legalize medical marijuana. The bill has been stalled in the House since it overwhelmingly passed the Senate last May.

The Pennsylvania Department of Health on Tuesday provided a progress report on statewide efforts to implement the Medical Marijuana Program signed into law by Gov. Tom Wolf in April.

The Pennsylvania Department of Health on Tuesday provided a progress report on statewide efforts to implement the Medical Marijuana Program signed into law by Gov. Tom Wolf in April.

HARRISBURG – State officials plan to release draft rules for marijuana dispensaries today, as Pennsylvania remains on track to have its medical marijuana program up and running by 2018.

HARRISBURG – State officials plan to release draft rules for marijuana dispensaries today, as Pennsylvania remains on track to have its medical marijuana program up and running by 2018.

As owners tout benefits and usage in compassionate care, the battle for legalization mirrors humans’ own medical marijuana fight in 1990s California.

"I had back surgery, and the year I was off, I was smoking marijuana during that period of time," New York Knicks president said.

A Phoenix doctor is conducting a study this summer focusing on how marijuana affects veterans with post-traumatic stress disorder.

A Phoenix doctor is conducting a study this summer focusing on how marijuana affects veterans with post-traumatic stress disorder.

Dr. Justin Davis is the first doctor in Gainesville to recommend the use of marijuana for medical purposes.

Dr. Justin Davis is the first doctor in Gainesville to recommend the use of marijuana for medical purposes.

Some people stretch before they workout. Others smoke a joint.

PORTLAND, Maine — A handful of recreational marijuana legalization drives has the medical pot industry bracing for something it never expected to deal with: competition.

PORTLAND, Maine — A handful of recreational marijuana legalization drives has the medical pot industry bracing for something it never expected to deal with: competition.

DENVER (AP) — The first state to legalize marijuana is just now taking steps to consider the drug medicine for people suffering from post-traumatic stress.

DENVER (AP) — The first state to legalize marijuana is just now taking steps to consider the drug medicine for people suffering from post-traumatic stress.

Minnesotans suffering from post-traumatic stress disorder (PTSD) will be able to enroll in the state’s medical marijuana program starting Aug. 1, the state Health Department announced Thursday afternoon.

Minnesotans suffering from post-traumatic stress disorder (PTSD) will be able to enroll in the state’s medical marijuana program starting Aug. 1, the state Health Department announced Thursday afternoon.

COLUMBUS, Ohio (AP) -- Ohio has yet to outline how exactly its new medical marijuana law will work even as it is set to take effect Thursday, leaving a host of unanswered questions by doctors, patients, pharmacists, police and many others.

COLUMBUS, Ohio (AP) -- Ohio has yet to outline how exactly its new medical marijuana law will work even as it is set to take effect Thursday, leaving a host of unanswered questions by doctors, patients, pharmacists, police and many others.

BATON ROUGE — A bill that would expand medical marijuana in Louisiana cleared another hurdle, moving it one step away from final legislative passage.

BATON ROUGE — A bill that would expand medical marijuana in Louisiana cleared another hurdle, moving it one step away from final legislative passage.

For five years, Republican state Rep. Peter McCoy of James Island was a state prosecutor in Charleston, working hundreds of drug cases along the way.

DALLAS – Researchers at UT Southwestern Medical Center report the most detailed 3-D structure to date of the brain receptor that binds and responds to the chemical at the root of marijuana’s high.

Worried Rhode Island’s medical marijuana program could face a severe shortage of legal product come the new year, business regulation officials issued emergency regulations Wednesday to get a new category of private pot growers, called cultivators, up and running as quickly as possible.

Worried Rhode Island’s medical marijuana program could face a severe shortage of legal product come the new year, business regulation officials issued emergency regulations Wednesday to get a new category of private pot growers, called cultivators, up and running as quickly as possible.

Salk Institute scientists have found preliminary evidence that tetrahydrocannabinol (THC) and other compounds found in marijuana can promote the cellular removal of amyloid beta, a toxic protein associated with Alzheimer's disease.

Physicians wrote significantly fewer prescriptions for painkillers and other medications for elderly and disabled patients who had legal access to medical marijuana, a new study finds.