Biden's proposal to reclassify marijuana could save the cannibis industry billions in federal taxes each year.

ABC News’ Selina Wang and legal contributor Leah Wright Rigueur break down the recent recommendation by the U.S. Department of Health and Human Services to relax federal restrictions on marijuana.

Nearly 40 U.S. states have legalized marijuana use in some form but it remains illegal at the federal level.

The smell of marijuana has become a stink at the U.S. Open

The U.S. Department of Health and Human Services has delivered a recommendation to the Drug Enforcement Administration on marijuana policy, and Senate leaders are hailing it as a first step toward easing federal restrictions on the drug

The government of the Bahamas has unveiled several bills aimed at legalizing marijuana for medical and religious purposes and decriminalizing possession of small amounts

ABC News chief medical correspondent Dr. Jennifer Ashton breaks down a new study that shows how nearly 44% of U.S. adults perceive smoking cannabis daily to be safer than tobacco.

Minnesota became the 23rd state to legalize the use of recreational cannabis, leading to questions about how a rise in marijuana use could affect the economy, federal legislation and national health.

It becomes legal to possess and grow in the state in August.

Marijuana can legally be sold at festivals and other events in New York under a measure approved by state regulators

A new study shows that cannabis-involved emergency room visits among young people increased during the COVID-19 pandemic. ABC News chief medical contributor Dr. Jennifer Ashton explains.

A new CDC report published Thursday found emergency department visits linked to cannabis increased for children, teens and young adults during the COVID-19 pandemic.

Emergency department visits related to cannabis use had already become statistically significant before the pandemic.

The FDA and FTC sent joint letters to companies that have sold copycat food products that look like regular snack foods, but contain edible Delta-8 THC.

The FDA and FTC are issuing new warnings to parents about Delta-8 THC product packaging that looks like popular snack foods to children.

New York started new inspections this month at the unlicensed pot shops that are troubling the state’s fledgling legal marijuana market

A man who killed a U.S. Postal Service mail carrier has been sentenced to life in prison

An NCAA medical committee is recommending the removal of marijuana from its banned drug list and suggesting that testing should be limited to performance-enhancing substances

Some medical experts say they are seeing more cases of cannabinoid hyperemesis syndrome, or CHS, in recent years and are pushing for awareness and more research into the condition.

Experts believe that CHS, the mysterious and rare marijuana-related illness, is caused by an overstimulation of certain cannabinoid receptors in the body.

A state bill under consideration in California would allow legal marijuana dispensaries the right to sell non-alcoholic drinks and food to customers.

ABC News’ Mona Kosar Abdi has an inside look at the growing business of legalized recreational cannabis and how it directly benefits those impacted by the decades-long war on drugs.

New York state's cannabis license program prioritizes previously incarcerated entrepreneurs for antiquated marijuana laws.

Minnesota’s governor has legalized recreational marijuana for people over 21 starting in August

ABC News’ Mona Kosar Abdi reports on the push for equity within the cannabis market in New York state, with legislation that directly benefits those impacted by the decades long war on drugs.

ABC News Medical Contributor and Pediatrician Dr. Alok Patel on what parents should look out for if their kids get their hands on edibles.

Across the nation there are growing calls to regulate cannabis edibles. A lab has found edibles with mold, hair and levels of THC that are far more than advertised. ABC News' Lindsay Watts reports.

ABC News Chief Medical Correspondent Dr. Jen Ashton explains new research about how medicinal cannabis can be helpful to treat pain for cancer patients.

ABC News chief medical correspondent Dr. Jen Ashton shares a recent study on whether or not marijuana makes you more creative.

A new study shows that cannabis can have negative impacts on your body when having a surgical procedure. ABC News chief medical correspondent Dr. Jen Ashton explains.

ABC News' Becky Worley takes a look at what science and others have to say about the increasingly popular sleep aid.

Concerns are growing over cases in which kids accidentally ingesting marijuana edibles. ABC News’ Lionel Moise has more.

While the FDA hasn’t officially regulated the use of CBD, some companies claim it can be used to treat some diseases and certain conditions.

ABC News chief medical contributor Dr. Jennifer Ashton breaks down a new study about marijuana that links it to a higher risk of heart disease.

Officials are urgently warning parents who use edible marijuana products to keep them locked away from children who may accidentally consume the products.

The FDA said a new framework is needed for regulating CBD products due to safety concerns, especially from long-term use.

The medical center warned the calls will continue to rise with marijuana dispensaries slated to open across the state this year.

ABC investigative reporting documents “The Human Cost” of dangerous drug cartels trafficking farm workers taking over the black market.

ABC News' Mireya Villarreal reports on two undocumented women who were trafficked by illegal marijuana cartels and detail the horrors they endured while being abused and exploited.

Rep. Earl Blumenauer and DHS Special Agent in Charge Robert Hammer talks about solutions to contain the spread of illegal weed farms and how to protect trafficked undocumented immigrants.

ABC News’ Mireya Villarreal previews a year-long investigation in southern Oregon where organized crime syndicates are attempting to blend in with licensed pot farms to exploit captive workers.

The retail shops will be able to first deliver their products by bicycles, scooters or other similar transportation methods, the state officials said.

The first legal sales of marijuana in New York City will be likely be delivered on bikes and scooters.

A 20-year study found jumps in poison center reports.

Cannabis use during pregnancy may cause babies to have higher rates of preterm birth, low birthweight and birth defects.

Police have identified a suspect in a quadruple homicide outside a town in Oklahoma but won't release a name because doing so would put other people in danger.

Congress has tried, unsuccessfully, to pass this type of legislation before to decriminalize marijuana.

Researchers from Ottawa Hospital General studied approximately 150 lung scans from marijuana smokers, tobacco-only smokers and nonsmokers.

The researchers who led the study say their findings suggest smoking marijuana may be more harmful than people realize.

Results for ballot initiatives to legalize recreational marijuana passed in two states and failed in three others, according to early election results.