If people eat foods which have absorbed radioactivity at some point along the food chain, this will further increase their dose of radiation.
(people; eat; foods which have absorbed radioactivity at some point along the food chain) (foods; have absorbed; radioactivity; T:at some point along the food chain) (this; will further increase; their dose of radiation)
people foods this
eat have absorbed will further increase
foods which have absorbed radioactivity at some point along the food chain
radioactivity T:at some point along the food chain
their dose of radiation