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Prenatal and early postnatal inﬂuences
Sensory stimulation and personality structure
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activity adaptation agents air pollution amino acids animals areas aspects bacilli bacteria bacterial become behavior biological birth rates body cancer casein caused cecum cent century changes Chapter characteristics chylomicrons complex constitute countries culture deﬁned diet drugs effects enterococci environment environmental eradication example experience experimental fact factors ﬁeld ﬁnd ﬁndings ﬁrst Furthermore gastrointestinal tract genetic germ-free germ-free animals growth human identiﬁed important increase industrial infection inﬂuence intestinal ﬂora kind lactobacilli living malaria malnutrition mechanisms medicine ment mental metabolic microbial diseases microbiota microorganisms modern nature NCS mice normal numbers nutritional nutritional deﬁciencies occur organism pathogens pathological penicillin persons physical physician physiological plants population population density practice present primitive probably problems processes production protein public health rats reason recent resistance response result rhythms scientiﬁc signiﬁcance smog social species speciﬁc stimuli stress survival tion tissues toxic tuberculosis virus viruses