If something looks suspicious, a biopsy is taken under local anaesthetic a small sample, examined under a microscope
However, even after iodization, the odds ratio for having thyroid enlargement was increased for smokers and smokers still had a lower mean thyroid stimulating hormone and a higher free thyroxine in serum than nonsmokers.[] The two most common hypotheses to explain this phenomenon involve the role of thiocyanate and thyroglobulin
C., Jack, B
2018;40(2):e289
Doctor of Medicine - Ludwig-Maximilians-University, 2014 Board Certified Medical Affairs Specialist - Accreditation Council for Medical Affairs, 2024 General Practice Manager, Medical Content & Education - Ro, 20212024 Senior Health Editor - Medium, 20192021 Associate Medical Producer - NBC News, 20152019 Production Assistant - CNN, 2015 Dr
Smoking aggravates retinal damage by constricting blood vessels and reducing oxygen supply to the eyes