Erectile Dysfunction Causes and Symptoms. There are many causes of erectile dysfunction (impotence) and some include: 1  blood vessel diseases (such as peripheral vascular disease and others), 2  systemic disease, 3  hormonal imbalance, and. 4  medications (such as blood pressure and heart medications).
For the martial arts rank of Nidan, see Dan (rank). Nidan (sometimes known as Midan or Idan) was a Welsh priest and, according to some sources, a bishop, in the 6th and 7th centuries. He is now commemorated as a saint.
Wiktionary (0.00 / 0 votes) Rate this definition: laudanum (Noun). A tincture of opium, once widely used for various medical purposes and as a recreational drug. laudanum (Verb). To add laudanum to (a drink or the like).laudanum (Verb). To cause (a person) to be high on laudanum.audanum. Laudanum is a tincture of opium containing approximately 10% powdered opium by weight. It is reddish-brown in color and tastes extremely bitter. Laudanum contains almost all of the opium alkaloids, including morphine and codeine.