Vehicle Excise Duty (VED or Road Tax) as it applies to motorhomes. It came to our attention that there was an anomally in the classification for road tax purposes of some new motorhomes since the introduction of Graduated Vehicle Excise Duty in 2001 (where the duty paid is related to the amount of CO2 produced).t came to our attention that there was an anomally in the classification for road tax purposes of some new motorhomes since the introduction of Graduated Vehicle Excise Duty in 2001 (where the duty paid is related to the amount of CO2 produced).
substance-related disorder. Any disorder related to drug abuse or the effects of medication. Substances include alcohol, amphetamines, anxiolytics, cannabis, cocaine, hallucinogens, hypnotics, inhalants, methamphetamine, nicotine, opioids, phencyclidine (PCP), and sedatives.ubstance-related disorder. Any disorder related to drug abuse or the effects of medication. Substances include alcohol, amphetamines, anxiolytics, cannabis, cocaine, hallucinogens, hypnotics, inhalants, methamphetamine, nicotine, opioids, phencyclidine (PCP), and sedatives.
Substance abuse, also known as drug abuse and substance use disorder, is a patterned use of a drug in which the user consumes the substance in amounts or with methods which are harmful to themselves or others, and is a form of substance-related disorder.hen an individual persists in use of alcohol or other drugs despite problems related to use of the substance, substance dependence may be diagnosed. Compulsive and repetitive use may result in tolerance to the effect of the drug and withdrawal symptoms when use is reduced or stopped.