One year ago Thursday morning, recreational marijuana became legal in Colorado. But now that's leading to a problem -- people are overdosing on edible pot that looks like a regular snack.

One year ago Thursday morning, recreational marijuana became legal in Colorado. But now that's leading to a problem -- people are overdosing on edible pot that looks like a regular snack. Because of the dangers, some in the state are trying to take some of the risk out of a rocky mountain high. John Blackstone reports.

• Jan 1, 2015
• 01:53

"CBS This Morning" takes a look at some of the day's headlines from around the globe

"CBS This Morning" takes a look at some of the day's headlines from around the globe.

• Dec 29, 2014
• 01:38

At the Dixie Elixir marijuana company in Denver, Colorado, workers are preparing a special holiday edible

At the Dixie Elixir marijuana company in Denver, Colorado, workers are preparing a special holiday edible to get a piece of the holiday shopping rush. Manuel Bojorquez reports.

• Nov 26, 2014
• 02:52

Dr. David Agus joins "CBS This Morning" from Los Angeles to discuss the study

New research suggests that marijuana use can deteriorate the part of the brain responsible for decision-making. Dr. David Agus joins "CBS This Morning" from Los Angeles to discuss the study.

• Nov 11, 2014
• 02:34

The pro-pot efforts rely heavily on younger voters

Voters in the nation's capital will decide whether possession of pot should be legal. Both western states are asking if the drug should be legalized and taxed. As Ben Tracy reports, the pro-pot efforts rely heavily on younger voters.

• Nov 3, 2014
• 02:31

Marijuana business owners from Washington state explain why they back Measure 91, even if it means more competition

Marijuana business owners from Washington state explain why they back Measure 91, even if it means more competition. Stephanie Condon reports.

• Oct 30, 2014
• 03:16

Angela Brown's son had a traumatic brain injury and Brown says she turned to medical marijuana as a last resort

Angela Brown's son had a traumatic brain injury and Brown says she turned to medical marijuana as a last resort. Adriana Diaz sat down with the family that could be split up by the law.

• Oct 27, 2014
• 04:21

With marijuana now legal in Colorado, the Denver Police Department is concerned that pot-infused candy will be handed out to kids on Halloween

With marijuana now legal in Colorado, the Denver Police Department is concerned that pot-infused candy will be handed out to kids on Halloween. Now, as KCNC's Brian Maass reports, a local company has developed a test kit to detect the drug in treats.

• Oct 24, 2014
• 02:05

This year's crop of baby Halloween costumes isn't for everybody; the marijuana leaf baby costume is just one of the unique costumes an online retailer says brings in big business

This year's crop of baby Halloween costumes isn't for everybody; the marijuana leaf baby costume is just one of the unique costumes an online retailer says brings in big business. KCBS's Crystal Cruz reports.

• Oct 23, 2014
• 01:15

There's a new smartphone app that allows medical marijuana users to get delivery from dispensaries to their door

There's a new smartphone app that allows medical marijuana users to get delivery from dispensaries to their door. The app, Nestdrop, is a medical delivery service created by founders Roddy Rodnia and Michael Pycher. KCBS reports.

• Oct 20, 2014
• 01:07

Cylvia Hayes's confession came just days after she admitted to accepting cash in exchange for an illegal green-card marriage

Four months after she accepted $5,000 to marry an 18-year-old Ethiopian immigrant in need of a green card, Democratic Gov. John Kitzhaber's fiancee Cylvia Hayes purchased a remote Washington property with the intention of creating an illegal marijuana farm, Oregon’s first lady-to-be admitted Monday.

• Oct 14, 2014
• 02:42

The former secretary of state seemed to be thinking about Colorado's new marijuana law as she campaigned with Sen. Mark Udall

The former secretary of state seemed to be thinking about Colorado's new marijuana law as she campaigned with Sen. Mark Udall.

• Oct 14, 2014
• 00:38

American Enterprise

Morley Safer travels to Amsterdam, where American "entrepreneurs" are flocking to get in on the billion-dollar marijuana industry.

• Mar 17, 1996
• 13:19

Alison Harmelin reports on the day's top health news

A study in Australia found that teens who smoke marijuana daily are 60 percent less likely to finish school. Plus, a possible link between anxiety and sleep medications with Alzheimer's. Alison Harmelin reports on the day's top health news.

• Sep 10, 2014
• 00:56

A Sydney bus driver fell asleep at the wheel and crashed after smoking a pipe of synthetic marijuana behind the wheel

A Sydney bus driver fell asleep at the wheel and crashed after smoking a pipe of synthetic marijuana behind the wheel. Two mothers and their children were inside their homes when the bus collided but thankfully no one was injured. Network Ten Australia's Andrew Denney reports.

• Aug 27, 2014
• 01:41

While purchasing marijuana is legal in Washington state, consuming the drugs in public is still against the law. Weed Bus offers patrons a chance to catch a ride and get high in the process, in what organizers claim is a legal setting

While purchasing marijuana is legal in Washington state, consuming the drugs in public is still against the law. Weed Bus offers patrons a chance to catch a ride and get high in the process, in what organizers claim is a legal setting. Meanwhile, state officials are warning the company that they are breaking the law. KIRO-TV's Nick McGurk reports.

• Aug 22, 2014
• 01:06

History is being made in Bellingham, Washington, as John Evich's retail store is the first to sell pot you don't inhale

History is being made in Bellingham, Washington, as John Evich's retail store is the first to sell pot you don't inhale. KIRO's Gary Horcher reports.

• Aug 8, 2014
• 01:25

Nearly half of all marijuana buyers in Colorado are from other states, but federal law says any pot bought in Colorado has to be used there

Nearly half of all marijuana buyers in Colorado are from other states, but federal law says any pot bought in Colorado has to be used there. Barry Petersen reports on how Colorado's pot boom is affecting the surrounding states.

• Aug 4, 2014
• 03:36

Inmates from Polk County Jail are uprooting the marijuana crop in Goodrich, Texas, 70 miles outside of Houston

Inmates from Polk County Jail are uprooting the marijuana crop in Goodrich, Texas, 70 miles outside of Houston. Once finished, the total haul could top 100,000 plants. Tim Wetzel of CBS affiliate KHOU reports.

• Jul 29, 2014
• 02:23

The New York Times is adding its voice to the call for legalization of marijuana in an editorial this weekend that immediately stirred controversy

The New York Times is adding its voice to the call for legalization of marijuana in an editorial this weekend that immediately stirred controversy. Jan Crawford reports.

• Jul 28, 2014
• 03:06

Marijuana shops in Washington are preparing for even more customers, following the huge crowds that showed up for the first day of legal recreational pot sales in the state

Marijuana shops in Washington are preparing for even more customers, following the huge crowds that showed up for the first day of legal recreational pot sales in the state. Adriana Diaz reports from Seattle.

• Jul 9, 2014
• 02:27

Almost two years after Washington voters approved a referendum to allow recreational marijuana, the state is rolling out the new law

Almost two years after Washington voters approved a referendum to allow recreational marijuana, the state is rolling out the new law Tuesday. Adriana Diaz reports on the opening from Seattle.

• Jul 8, 2014
• 02:27

Marijuana laced edibles are now available in Colorado dispensaries, but confusing packaging has caused problems in other states

Marijuana laced edibles are now available in Colorado dispensaries, but confusing packaging has caused problems in other states. Colorado is working to draw up new regulations to prevent accidental child consumption and adult overdose. Richard Sallinger reports.

• Jun 27, 2014
• 01:21

Treatment of post-traumatic stress disorder ranges from therapy to prescription drugs, but organizations like Operation Grow4Vets argue that marijuana can change the lives of veterans for the better

Treatment of post-traumatic stress disorder ranges from therapy to prescription drugs, but organizations like Operation Grow4Vets argue that marijuana can change the lives of veterans for the better. Barry Petersen reports.

• Jun 25, 2014
• 03:58

After two tours in Afghanistan, Matt Kahl came home with injuries and PTSD. Despite critics who are dubious about its healing effects, Kahl says marijuana changed his life for the better. Watch Wednesday on "CBS This Morning" for the full story.

After two tours in Afghanistan, Matt Kahl came home with injuries and post-traumatic stress disorder. Despite critics who are dubious about its healing effects, Kahl says marijuana changed his life for the better. For the full story, watch Wednesday on "CBS This Morning."

• Jun 24, 2014
• 00:26

Show More