Drug rehabilitation services can be a turning point for a person who may have tried to end drug or alcohol use independently, but failed to have any luck staying sober. The reason individuals need drug rehabilitation services is simply because remaining sober isn't just dependent on conquering acute physical problems. Individuals who avail themselves of drug rehabilitation services can engage in a number of treatment methods which will help them resolve difficulties in their lives that are much more environmental, emotional and even psychological. By way of example, studies have shown that addiction is often caused by purely environmental issues, for example turmoil, failures, or losses in one's life. There may be a co-occurring psychological disorder which must be handled simultaneously as part of drug rehabilitation services, and if not handled most individuals will relapse promptly. While usually it takes a significant amount of time to fully benefit from drug rehabilitation services, those who only detox and take part in no further treatment fare as well as someone who received no drug rehabilitation services. Long-term inpatient or residential drug rehabilitation services are the most optimum drug treatment facilities for all those hoping to experience a full recovery and be able to make a fresh start.