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
In the Days of the Comet he had been a great success at the university." Leadford's only close friend is a fellow clerk and socialist. But the pair quarrel and Leadford breaks off relations when Parload avers that socialism is "only a theory," whereas science is "something more". In later years Parload becomes a great scientist whose "work upon intersecting radiations has broadened the intellectual horizon of mankind for ever." Wells's open endorsement of polyamorous love at the end of "In the Days of the Comet" caused some scandal. Various organisations dedicated to preserving public morals, including the YWCA, Salvation Army and ‘Anti-Vice and White Slavery’