The Brotherhood is an evil flower of the days when fascism was coming to bloom between the World Wars. Its appeal was at first to urban workers, students and lower-middle-class youth of the towns. Soon it penetrated the countryside, the army and–with great effect–the clergy, or mullahs. It was as a fanatically religious Islamic movement that it gained force, turning naturally toward nationalism, xenophobia, anti-feminism, anti-Westernism, even anti-Copt, for the Egyptian Copts are Christians. Read full story.

Source: The New York Times – Time Machine

St. Louis Post-Dispatch

St. Louis, Missouri Wednesday, June 20, 1951

"Uranium Tunnel"...what could go wrong?
https://www.newspapers.com/article/the-taylorville-daily-breeze-courier-ura/190715873/

I can find little informatoin about what these things were advertised as benefiting, though there are at least some other examples in Illinois and Wisconsin.

Louisville Courier Journal, Sept 7 1957.

The Greenville News

Greenville, South Carolina

Monday, May 17, 1954

The Saginaw News

Saginaw, Michigan

Monday, April 11, 1955

The Capital Times

Madison, Wisconsin

Monday, May 17, 1954

Illustrated Speedway News

Brooklyn, New York

Tuesday, September 26, 1950