Table 1: Exposures potentially associated with neurodegenerative disease.

MetalsLead [69, 2527, 29, 35, 37, 38, 47, 48, 63, 83, 84, 87, 90, 92, 104]
Mercury [8, 2527]
Aluminum [7, 8, 28]
Zinc overload [7]
Manganese [8, 29, 47]
Arsenic [8, 27, 29]
Tin [8]
Copper [3033]

PesticidesDichlorodiphenyldichloroethylene [10] (DDE)
Aldrin [29]
Chlordane [29]
Heptachlor [29]
Rotenone [5, 7]
Dieldrin [5]
Methyl parathion [26]
Organophosphates [5, 7, 26, 46, 48]
Maneb [5, 29]
Paraquat [5, 7, 29, 46]
Pyrethroids [5]

Flame retardants
Hexabromocyclododecane [20]
Tetrabromobisphenol-A [20]
 Brominated [93]Decabromodiphenyl ether [20]
6-Hydroxy-2,2′,4,4′-tetrabromodiphenyl ether [105]
 Chlorinated 2,2′,4,4′-tetrachlorobiphenyl [105]
Trichloroethylene [7]

Carbon disulfide [26, 29]
Solvents [48]Toluene [26]
Perchloroethylene (PERC) [106]

PharmaceuticalsAnesthetic agents [107]
Benzodiazepines [18]

Air pollution [6, 47]Particulate matter [19]
Ozone [19]
Nitrogen dioxide [19]
Second hand smoke [27]
Carbon monoxide [8, 48]

PlasticizersPhthalate esters [59, 93]
Bisphenol A [59, 93]

OthersPerfluorooctanesulfonic acid (PFOS) [93]
Perfluoroctanoic acid (PFOA) [93]
Organochlorine compounds [7]
Acrylamide [29]
Dioxins [25, 27]
Formaldehyde [1315]
Methanol [16, 17]