Not to be confused with other types of electrography or with echocardiography. Electrocardiography (ECG or EKG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.
Addiction is defined as a chronic, relapsing brain disease that is characterized by compulsive drug seeking and use, despite harmful consequences. It is considered a brain disease because drugs change the brain; they change its structure and how it works.
Prescription drugs are a category of drugs used to treat various health complications. Abuse of prescription drugs is common, especially among young adults. Drug rehab facilities are available for those struggling with abuse and addiction of these drugs.rescription drug abuse can be a very dangerous habit. In fact, this habit is so dangerous that treatment for drug abuse is offered at many drug treatment centers and is often a necessary step toward recovery. Common reactions to prescription drugs include: 1  Reduction of respiration rate.