Notwithstanding a century of prohibition, marijuana is the most widely used illicit substance in Canada. Due to the growing public acceptance of recreational marijuana use and ineffectiveness of the existing control system in Canada, the issue surrounding legalizing this illicit drug has received considerable public and political attentions in recent years. Consequently, the newly elected Liber...

Cronkhite-Canada Syndrome (CCS) is a syndrome characterised by a constellation of signs including but not limited to onychodystrophy of the finger and toe nails, skin hyperpigmentation and alopecia. Endoscopic features showed hamartomatous polyps involving all segments of the gastrointestinal tract with the characteristic exception of being oesophageal sparring. These polyps show confirmation b...

Laugier-Hunziker syndrome is a rare, hereditary pigmentary disorder characterized by mucocutaneous lentiginous lesions and melanonychia. The condition regarded as benign since underlying malignancies or systemic disorders were not reported. Since various malignancy syndromes including Peutz-Jeghers Cronkhite-Canada cause of hyperpigmentation such Addison disease drugs are presented with similar...

Background: About 40 thousand newborns are delivered annually with fetal alcohol syndrome (FAS). It induces serious CNS complications. Methods: In a review of, the word “fetal alcohol syndrome” was searched in PubMed and Google Scholar and the retrieved articles were summarized. Results: Many studies showed that alcohol can cause more defects in fetus than heroin, cocaine and marijuana. The pos...

This article is featured in Lessons in Conservation, the official journal of the Network of Conservation Educators and Practitioners (NCEP). NCEP is a collaborative project of the American Museum of Natural History’s Center for Biodiversity and Conservation (CBC) and a number of institutions and individuals around the world. Lessons in Conservation is designed to introduce NCEP teaching and lea...

In 1985, the first report of reproductive failure in sows was published in the United States. The syndrome manifested as abortions beyond the 100th day of gestation, with many stillbirths and mummies. At that time, we didn't know either the identity of the causative agent nor whether the syndrome was contagious; thus, the syndrome was named "mystery swine disease." In the next few years, occurr...