The most common method is fine needle aspiration cytology (FNAC), where cells are drawn with a thin needle for microscopic analysis
However, the link between smoking and respiratory diseases had been established back in the early 1900s in studies by European and American doctors but this remained a taboo up until the 1950s
The study, published in the journal Annals of Behavioral Medicine , examined tobacco use by sexual minority men and transgender women to better understand the relationships between smoking, substance use and mental, psychosocial and general health
Thompson (2003), Kingdom of Fear , Simon & Schuster, p
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