Vitamin the vitamin. People who eat a varied diet are unlikely to develop a severe primary vitamin deficiency. In contrast, restrictive diets have the potential to cause prolonged vitamin deficits, which may result in often painful and potentially deadly diseases. Well-known human vitamin deficiencies involve thiamine (beriberi), niacin (pellagra), vitamin C (scurvy), and vitamin D (rickets). In much of the developed world, such deficiencies are rare; this is due to (1) an adequate supply of food and (2) the addition of vitamins and minerals to common foods (fortification). In addition to these classical vitamin deficiency diseases, some evidence has also suggested
House System at the California Institute of Technology the name Ricketts to the disease rickets and the fact that scurvy is another vitamin deficiency disease. Members of Ricketts Hovse were known as "Rowdies" until about 1960; alumni of that period still draw the distinction between "Rowdies" and "Skurves". Ricketts House is traditionally one of the most diverse houses on the campus. Ricketts traditions include fire related activities and the brakedrum. Prior to early 2003, the Ricketts courtyard housed a large concrete firepot, in which massive fires were often enjoyed during cool Pasadena evenings. The courtyard originally featured a large Italian marble well head (historically attributed to and named