eagles soar like any other birds on updrafts. So it depends upon the weather really. They can usually soar for about 15-20minutes or longer if air conditions are right. It depends. Given ideal wind conditions - lots of updrafts and thermal pockets, eagles can glide for hours.
In 1964, the effectiveness and usefulness of using methadone maintenance (i.e., using it as a substitute narcotic to prevent withdrawal) was realized. In the spring of 1971, methadone treatment for opiate dependence began to expand.
The addiction to heroin or another opiate is simply transferred to a less problematic drug. Many people taking methadone do not like attending methadone clinics for their daily dose. But when methadone is given to addicts for use at home, the risk of overdosing and/or selling the drug illegally to purchase heroin increases.