Caffeine/pharmacology; Cardiovascular Diseases/etiology; Dietary Carbohydrates; Growth/drug effects; Lipids/blood; Tea/drug effects; Animals; Cholesterol/blood; Depression, Chemical; Diet; Diet, Atherogenic; Freeze Drying; Lipids/biosynthesis; Liver/enzymology; Liver/metabolism; Male; Organ Size; Phospholipids/blood; Pyruvate Kinase/metabolism; Rats; Starch/pharmacology; Statistics as Topic; Stimulation, Chemical; Sucrose/pharmacology; Triglycerides/blood