History of the Slovak language ). The usage of Czech in Slovak environment resulted to the Slovakized Czech language - a variant of cultural Czech with Slovak elements. This variant existed since the penetration of Czech to present-day Slovakia and was used e.g. in city books, official correspondence, etc. Early writings had a various frequency of Slovak elements caused by a poor knowledge of standard Czech among many Slovak native speakers, the influence of vernacular language and cultural Slovak. The normalized form of Slovakized Czech existed since the 17th century. In the normalized form, Czech letters and words were systematically replaced by their Slovak equivalents.
An apple a day keeps the doctor away issue comparing the effects of prescribing everyone in the UK over age 50 either an apple or a statin a day. The study concluded that both interventions would be similarly effective. A 2015 study looked directly at the relationship between apple consumption and physician visits and found no evidence that the proverb was true. The study did, however, find that people who ate an apple a day did use fewer prescription medications. However, a 2011 study found that adding one ‘Golden Delicious’ apple to the daily diet of a small group of overweight men led to higher levels of LDL