Dog ownership conveys a significant lower risk of death by heart attack and other maladies; All about MRA to measure arterial blockage -- the contrast chemical is not dangerous; Analyzing microbial DNA in stool reveals your diet; Good advice to combat dry eye and styes with baby shampoo and buckthorn oil; The importance of knowing if a pregnant woman has MTHFR mutations; An interesting study about reliability of self evaluation of health practices by age and country; A rational approach to reducing stress of mothers and preventing future health problems of offspring; Ketogenic diet reduces migraines; The good uses of the notorious drug Thalidomide; New research reveals the origin of gall stones