Anything health related doesnt really come into play at all until the 1960s. In 1958, just 48% of Americans believed that smoking caused cancer
Smith DM, Christensen C, van Bemmel D, Borek N, Ambrose B, et al
PANTS & WIPES BEVERAGES CARBONATED DRINKS COCOA & HOT CHOCOLATE ENERGY DRINKS FRUIT JUICES HOT TEA & COFFEE POWDERED DRINKS SQUASHES SYRUPS WATER CIGARETTES & TOBACCO CIGARETTES LIGHTERS TOBACCO CONFECTIONARY BISCUITS CHIPS CHOCOLATE SNACKS SWEETS FOOD PANTRY ATCHAR
Also in 2012, Viet Nam adopted a Law on Prevention and Control of Tobacco Harms, which bans advertising and sponsorship by tobacco companies
In the face of limitations in contemporary Western medicine for the treatment of OP, Natural medicines, represented by Chinese herbal medicine, offer a unique and multidimensional treatment option, particularly suitable for patients seeking to reduce medication side effects and enhance physiological functions 13,14
Ruth's usage of the term is a subtle jab at Jack's background, while Cal's usage of "third class" demonstrates an attempt to be diplomatic and respectful (which he fails at)