The missing percentage : why genetics alone can't explain the steady climb -- Uncounted numbers : urban exposures, chemical concentrations, and the question of race -- Foreign bodies : how we all became carriers of mercury, triclosan, and flame retardants -- Dumped on : when chemicals act in combination -- Gut reactions : bowel Issues, alternative treatments, and life-saving support -- Birth complications : weighing the risks of inductions, medications, and early cord clamping -- Our chemical world : the long reach of plastics and pesticides -- Unanswered questions : avoiding toxins and taking action