Wood preservation these pressure treatments routinely protect wood for 40 years in most applications. Creosote was the first wood preservative to gain industrial importance more than 150 years ago and it is still widely used today for protection of industrial timber components where long service life is essential. Creosote is a tar-based preservative that is commonly used for utility poles and railroad ties (UK: railway sleepers). Creosote is one of the oldest wood preservatives, and was originally derived from a wood distillate, but now, virtually all creosote is manufactured from the distillation of coal tar. Creosote is regulated as a pesticide, and
Euthymia (medicine) Euthymia (medicine) Euthymia is defined as a normal, tranquil mental state or mood. It is often used to describe a stable mental state or mood in those affected with bipolar disorder that is neither manic nor depressive, yet is distinguishable from healthy controls. Euthymia is also used to describe the "baseline" of other cyclical mood disorders like major depressive disorder (MDD) and narcissistic personality disorder (NPD). This state is the goal of psychiatric and psychological interventions. The word "euthymia" traces its roots to the Greek words "eu", meaning well, and "thymo", meaning soul or emotion. The word "thymos" also had