• Methamphetatamine

    Introduction Methamphetatamine is a stimulant drug derived from the amphetamine class of drugs. Although it is available as a prescription drug, it is more commonly used as an illegal drug, where it is commonly smoked or snorted. It is also called Crystal Meth, Crystal, Crissy, Tina, Crank, Speed, Shards, Glass, Ice, Go, Whizz, Dope, among other nick-names. Epidemiology About 2% of the population of the United States, or 4.7 million individuals, have tried meth. It... Read more →

  • What are lymphomas?

    Introduction Blood disorders can be divided into those that arise from the myeloid linage (AML, CML) and those that are derived from the lymphoid lineage. In the lymphoid lineage, we have B cells, T cells, and NK cells. Any of these cells can become neoplastic and show uncontrolled growth. Over the years, physicians have noticed that there are a defined set of lymphoid neoplasms, some of which more classically arise from the bone marrow (leukemias)... Read more →

  • The secret life of parathyroid-hormone

    Parathyroid glands The parathyroids! We have four of them, in the back of he thyroid, normally embedded within the capsule of the thyroid. They are tiny — about 3x6mm each — and weigh a total of 400mg! Around each of the parathyroids is a capsule. Within the capsule are fibrous septa which separate many small glands made of secretory cells. There are two types of cells contained within these lobes: The chief cells (also called... Read more →

  • How does COPD really work?

    Where does COPD fit in the mix of respiratory diseases? I’ve made a map of the major pathologies outlined in Robbins and First Aid (obviously these are not all mutually exclusive, or fully complete): Figure 1. Map of respiratory disease Take a look at the group of diseases called diffuse pulmonary disease. Under this category, we find two important types of lung disease: obstructive and restrictive lung disease. Obstructive lung disease is caused by a... Read more →