Due to the synergism between copper and aluminum, a higher intake or absorption of aluminum - ranging from antiperspirants, tetra packs, all the way to municipal drinking water treated with aluminum sulphate and polyaluminum chloride - will result in greater copper retention and lowered sulfur levels, since both, aluminum and copper are sulfur antagonists. High cellular copper levels, along with related sulfur deficiencies, can be considered to be one of the most prominent causes of many physical and mental health problems, including ADD and Alzheimer's Disease... Full Text