Brandon Klein, Vindy.com, February 9, 2015

A pro marijuana group in Ohio is attempting to place a constitutional amendment on the ballot to legalize marijuana for recreational use. If the amendment gets placed on the ballot and should it pass, employers fear that with more people using marijuana the pool of drug-free employees will decline and safety in the workplace will be compromised.

"I’m absolutely opposed to [legalizing marijuana]," said Don Crane, president of Western Reserve Building Trades, which represents more than 6,000 workers in the skilled trades. Many trade jobs have dangerous components.

Read more: Marijuana legalization poses challenges for employers

John Walters & David Murray, Real Clear Politics, February 8, 2015

The unintended consequences of marijuana use go unabated.

  • Marijuana infused edibles are marketed to youth. The edibles account for nearly half of Colorado’s sales.
  • Daily use of marijuana is 35 percent higher than the national average.
  • Selling marijuana on the black market continues because there are no taxes.
  • Marijuana potency has climbed sharply.

Read more: One Year of Colorado’s Marijuana Law

Keith Coffman, Reuters Denver, August 8, 2014

A man ends up in the hospital after overdosing on THC from a marijuana chocolate candy bar given to him by a County Fair vendor promoting the drug. The Denver County Fair had a “Pot Pavilion” where Jordan Coombs was offered the marijuana food product.

Read more: Colorado lawsuit alleges cannabis overdose from fairground candy

Jessica Durando, USA TODAY Network, June 4, 2014

Maureen Dowd, a columnist for the New York Times, told a terrifying story of eating a marijuana-infused candy bar. She was in Denver, Colorado reporting on legalized marijuana.

Read more: Maureen Dowd on pot candy bar: ‘I became convinced that I had died’

Jamie Chambers, Fox5KSWB, San Diego, CA, April 25, 2014

On April 19, 2014, Frances McQueen, found her daughter stumbling and unresponsive; she rushed the toddler to Balboa Naval Hospital in San Diego, CA. The toddler was moved to the pediatric intensive care unit where doctors were preparing to do a spinal tap when the results of a toxicology report came back showing THC in her system. THC is the psychoactive ingredient in marijuana.

Read more: Toddler rushed to hospital after eating pot candy – Kid Hospitalized After Pot Candy

Joe Bartels, www.8newsnow.com KLAS-TV, Las Vegas, NV, April 16, 2014 Updated: April 17, 2014

Eighteen-year-old, Jesse Hill, was killed while walking with his girlfriend by a driver, Christian Diaz, who had 7 times the legal amount of marijuana in his blood.

Read more: Metro: Marijuana impairment rising among drivers

ABC & News Denver, April 18, 2014

Kristine Kirk told a 911 operator that her husband, Richard Kirk, had “taken some marijuana” and was “hallucinating” and frightening their three children. Minutes later Richard shot and killed his wife. Richard was charged with first-degree murder.

Read more: Denver man accused of killing wife after eating marijuana candy formally charged with murder

Denver CBS 4, April 16, 2014

Levi Pongi, a college student, jumped to his death from a hotel balcony after eating one whole marijuana cookie that was intended to serve six people. It produced a type of psychosis.

Read more: College Student Ate 6 Times Recommended Amount Of Pot Cookie Before Jumping To Death