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Many, if not most, diseases have their roots in our genes. Genes - through the
proteins they encode - determine how efficiently we process foods, how
effectively we detoxify poisons, and how vigorously we respond to infections.
More than 4,000 diseases are thought to stem from mutated genes inherited from
one's mother and/or father. Common disorders such as heart disease and most
cancers arise from a complex interplay among multiple genes and between genes
and factors in the environment. |