This continuing series gathers and presents original research results on the leading edge of medicine and biology. Each article has been carefully selected in an attempt to present substantial topical data across a broad spectrum. Topics discussed include antimicrobial lipids as food sanitizers; melatonin as a therapeutic resource for uveitis treatment; traumatic diaphragmatic rupture; qualification and quantification of pre-implantation embryo health; infection control in endodontics; application of egg yolk immunoglobin (Ig Y) to gastrointestinal diseases; cachexia, obesity and lipoprotein lipase; side effects related to prednisone in randomized clinical trials; endurance exercise without diet modification; exercise and calorie intake research; the pathophysiology and management of cardiorenal syndrome; and assessing the effects of vaccination, case findings, and educational campaigns on controlling the cholera epidemic.