The phrase "addressed a subject" is correct and usable in written English.
It can be used when discussing topics or themes that have been discussed or considered in a conversation, paper, or presentation.
Example: "In her lecture, she addressed a subject that is often overlooked in modern education."
Alternatives: "discussed a topic" or "tackled an issue".
She has addressed a subject that most other people would never touch.
But Mr. Singer also addressed a subject on many investors' minds: whether returns fall as hedge funds grow larger.
In his talks, to the Federalist Society and to Gopac, a conservative political action committee, Mr. McCain addressed a subject that has distressed many conservatives about Republicans — the galloping deficit and increases in spending.
In addressing her husband's infidelities in her book, "Living History," Mrs. Clinton publicly addressed a subject she steadfastly refused to discuss by invoking what she had called a zone of privacy.
Even more remarkable, the son now addresses a subject he has scarcely touched on before: Olive Moore Cornwell, aka "Wiggly".
Unlike Paisley, LL Cool J has never been much of a provocateur, and perhaps he wasn't the right rapper to address a subject as ticklish as this.
Together they address a subject is at once oceanic and amorphous: "American identity," which in this case encompasses ethnicity and sexuality, but primarily race.
Yet far from being a "technical" triumph, the claustrophobic aesthetic that Nemes employs has a powerful moral raison d'etre, seemingly born out of a desire to address a subject that arguably has no place in dramatic cinema.
He's a busy guy, but not too busy to address a subject he usually avoids: Mr. Giuliani's plot to take La Guardia and Kennedy Airports away from his agency, which manages them.
The first Longwood exhibition, "DL: The Down Low in Contemporary Art," strikes a scrappy, enterprising note by addressing a subject the art world has pretty much overlooked: the African-American and Latino gay subculture referred to as the "down low".
As she writes in English and lives between the two cultures, she might just have the distance to address a subject that has been all but neglected by central European novelists: German war guilt.
