Demi Moore has been hospitalized with sources telling TMZ that the actress was suffering from substance abuse. Paramedics responded to a 911 call from the home of the actress. After assessing Moore's condition, she was transported her from her home in Los Angeles to a local hospital.

According to sources that told the entertainment website, Moore has reportedly been moved to a facility to seek treatment for substance abuse. Experts have speculated that Demi Moore may have smoked K2 Spice before she ended up in the hospital. So what exactly is a K2 Spice? It is a cheap herbal incense that mimics cannabis.

According to WebMD, the product is spiked with powerful designer drugs that do not show up in tests.

K2 Spice is temporarily illegal under a special order issued by the Drug Enforcement Administration last year. Officials are studying whether it should be made permanently illegal. Moore, 49, was despondent on Monday night when a friend called 911 to report the actress was semiconscious.

"She smoked something. It's not marijuana, but it's similar to incense, and she seems to be having convulsions of some sort," a friend is heard telling a 911 operator. RadarOnline.com spoke with addictions specialist Dr. Phil Dembo, who said judging by the description on the 911 call, he believes Moore was smoking K2 Spice.

"It sounds like Demi smoked K2 Spice," Dr. Dembo, who has not treated Moore, said.

"The problem with synthetics of any kind is they can cause anxiety or depression and cause panic or hyperventilation type of experience. There is racing of your body and those things chemically take you over," Dr. Dembo added saying that Demi's convulsions could have been a result of smoking the substance.

"One of the things whenever you smoke not a grown substance, you are at the mercy of whatever chemicals are in there. It could be laced with something that could have the opposite effect of what you think it will," Dr. Dembo explained.

According to the Hunterdon Drug Awareness Program, the terms Spice and K2 refer to commercially available products that have been sprayed with research chemicals called synthetic cannabinoids but do not contain any cannabis marijuana components.

These synthetic cannabinoids have been associated with impaired driving incidents, attempted suicides, emergency department visits and have been linked to such adverse effects as increased anxiety, panic attacks, heart palpitations, respiratory complications, aggression, mood swings, altered perception, and paranoia.

As previously reported, Moore was rushed by an ambulance to the hospital following her seizure and is planning to seek help for her health and will also focus on her anorexia problem as well.

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