Actinin, ACTN3 alleles and muscle function 146 Aging cognition, see Dementia omega-6/omega-3 balance studies 17 Agribusiness, see Food industry Alzheimer's disease (AD) ApoE4 92 fatty acid studies intervention studies 94, 95 mechanisms in dementia 93 observational studies 94 omega-3 fatty acid desaturase transgenic mouse studies 26, 27 American Heart Association, polyunsaturated fatty acid intake recommendations 68 Angiotensin-converting enzyme (ACE), alleles and exercise performance 145, 146 Angiotensinogen, alleles and cardiorespiratory performance 145 APOA5, polymorphisms in triglyceride determination 152, 154 ApoE polymorphisms in exercise adaptation 147 Aristotle, climate change view 6-9 Aristotle (poem) XXII Aristotle's Arietta (poem) XXII Atherosclerosis, see also Coronary heart disease linoleic acid role 15 nutrients as environmental factors in transition from genotype to phenotype 150, 151 nutrigenetics in cardiovascular disease examples 151 triglycerides and gene polymorphisms 151-154 omega-3 fatty acid desaturase transgenic mouse studies 25 phenotype as product of gene/environment interactions 150 Athletics, see Exercise adaptation Attention deficit hyperactivity disorder (ADHD), fatty acid intervention studies 103, 104 Australia, see Climate change