cigarette ads 1960s adverts 1960 hi-res stock photography and images 1961 Marlboro cigarettes ad. :

What about when rats were given the option of a social reward

Applied In Vitro Toxicology, 3 (1), 2840

According to a scientific review: Tobacco is a product with a limited useful life, which loses its original characteristics when the tobacco leaf deteriorates due to changes PMC In practice, cigarettes dont expire like milkthey age, dry out, or go stale

Similarly, in 1929, the American Tobacco Company organized a protest of sorts, where women marched through the heart of New York City carrying "freedom torches," which were cigarettes (per Truth Initiative)

Primary pack colors include maroon, brown, or white with reflective gold outlines and accents