CONTENTS 



. Blood Lipids (continued) 



c,'. The Relationship of the S f 10-20 Fraction to Atheroscle- 

 rosis. 473 



d\ The Relationship of Fractions Higher Than S f 10-20 to 



Atherosclerosis 47li 



o'. Tho Relationship of Total Serum Cholesterol to the Con- 

 centration of the »S'y 10-20 Fraction 478 



F. The Effed of Lipotropic Factors on Atherosclerosis 480 



1. The Blood Lipids in Diseases of the Central Nervous Sj'stem. . . . 481 



m. The Blood Lipids in Infectious Diseases 483 



n. The Blood Lipids in Cancer 484 



o. The Effect of Drugs on Blood Lipids 485 



(a) Phlorhizin 485 



(b) Phosphorus 480 



(c) Chloroform and Carbon Tetrachloride 486 



8. Factors Altering the Concentration of the Carotenoids and of the Fat- 

 Soluble Vitamins in Blood 480 



(1) Carotenoids and Vitamins A 486 



a. Normal Values for Serum Carotene and Vitamin A 486 



1). General Physiological Factors Related to the Level of Serum 



Carotene and Vitamin A 488 



(a) Maternal-Fetal Transfer of Carotene and Vitamin A 489 



(b) Plasma Carotene and Vitamin A in Children 490 



(c) Plasma Carotene and Vitamin A in the Aged 491 



(d) Plasma Carotene and Vitamin A as Influenced by Sex 492 



(e) Seasonal ( !hanges in Plasma Carotene and Vitamin A 493 



(f) Plasma Carotene and Vitamin A as Influenced by Parturition 494 



(g) The Effect of Hormones on Plasma Carotene and Vitamin A 191 



c. The Effect of Diet on the Level of Carotene and Vitamin A in the 



Blood , 495 



(a) The Effect of Ingested Carotene on the Level of Plasma Caro- 



tene and Vitamin A 495 



(b) The Effecl of Ingested Vitamin A on the Level of Plasma Vi- 



tamin A 497 



a'. Vitamin A Tolerance Curves 498 



b'. The Relationship between Plasma and Liver Levels of 



Vitamin A Alcohol 501 



(c) The Effect of Massive Doses of Carotene on Plasma Carotene 



and Vitamin A Levels 502 



(d) The Effect of Massive Doses of Vitamin A on Plasma Carotene 



and Vitamin A Levels 502 



(e) The Effect of Carotene-free and Vitamin A-free Diets on 



Plasma Carotene and Vitamin A 505 



(f) The Effect of Miscellaneous Substances on Plasma Carotene 



and Vitamin A 505 



d. Plasma Carotene and Vitamin A as Indices of Nutritional Status 506 



e. Plasma Carotene and Vitamin A Levels in Abnormal Conditions . 507 

 (a) Plasma Carotene and Vitamin A Levels in Diabetes 507 



