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
History of medicine in the Philippines surveyors of herbal medicines at the localities where they were assigned. Common disease during the Spanish period in the Philippines were diarrhea, dysentery, and leprosy. There were also the presence of cholera, inﬂuenza, smallpox, beri-beri, dysentery, bubonic plague, scurvy, rheumatism, asthma, syphilis, tetanus, toothache, and ulcers. Many Filipinos believed in "pasma" (a resulting condition similar to spasm which involves the occurrence of hand tremors, sweaty palms, numbness and pains after the body's exposure to "unhealthy cold" and water), the state of "nausog" ("distress" caused by an unfamiliar person), and "personalistic sorcery". It was in 1830 when the "true pharmacies" were