Medical Focus Organ Donation  10

Medical Focus Imaging the Body  19

Medical Focus Nutrition Labels  26

Medical Focus Hemodialysis  40

MedAlert Cancer  44

Medical Focus Classification of Cancers  57

Visual Focus Temperature Control  69

Medical Focus Link between UV Radiation and Skin Cancer  70

Medical Focus Epidermis from the Laboratory  71

MedAlert Arthritic Joints  103

Visual Focus Contraction of a Muscle  113

MedAlert Benefits of Exercise  116

Medical Focus The Left and Right Brain  146

Medical Focus EEG  149

Medical Focus Spinal Cord Injuries  150

MedAlert Alzheimer Disease  160

Medical Focus Myasthenia Gravis  171

MedAlert Age-Related Macular Degeneration  174

Medical Focus Corrective Lenses  178

Medical Focus Hearing Damage and Deafness  182

Visual Focus Hypothalamus and the Pituitary  191

Medical Focus Glucocorticoid Therapy  195

MedAlert Side Effects of Anabolic Steroids  200

Visual Focus Hematopoiesis  213

Medical Focus Abnormal Red and White Blood Cell Counts  218

Medical Focus Who Should Not Give Blood  218

Medical Focus Congestive Heart Failure  227

Medical Focus The Electrocardiogram  230

MedAlert Preventing Heart Attacks  232

Medical Focus Lymph Nodes and Illnesses  254

Medical Focus Bone Marrow Biopsy and Transplant  255

Visual Focus The Inflammatory Reaction  257

Medical Focus Immunization: The Great Protector  263

MedAlert AIDS Epidemic  264

Medical Focus Modified Breathing Rates  278

Visual Focus Inspiration Versus Expiration  280

Medical Focus Heimlich Maneuver  282

Visual Focus Lower Respiratory Tract Disorders  288

MedAlert The Most Often Asked Questions about Smoking, Tobacco, Health, and . . . the Answers  290

Medical Focus Human Teeth  299

MedAlert Constipation  306

Medical Focus Viral Hepatitis  310

Medical Focus Antioxidants  313

Visual Focus Steps in Urine Formation  326

Medical Focus Illnesses Detected by Urinalysis  327

MedAlert Prostate Enlargement  332

Visual Focus Anatomy of Ovary and Follicle  344

Medical Focus Ovarian Cancer  346

Visual Focus Regulation of Estrogen and Progesterone Secretion by Negative Feedback  348

MedAlert Endometriosis  352

Medical Focus Alternative Methods of Reproduction  353

MedAlert Detecting Birth Defects  364

Medical Focus Teratogens  369

Medical Focus Premature Babies  374

Visual Focus Ex Vivo Gene Therapy in Humans  390