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Antibiotics and antibacterials can do more damage than good when they: kill good bacteria inside the human body destroy microbes that clean up pollution lead to antibiotic resistance in microorganisms make treatment of some diseases difficult when overused Dr Maura Meade-Callahan PhD presents a summary article to explain further.

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The human vermiform (“worm-like”) appendix is a 5-10cm long and 0.5-1cm wide pouch that extends from the cecum of the large bowel. The architecture of the human appendix is unique among mammals, and few mammals other than humans have an appendix at all. The function of the human appendix has long been a matter of debate, with the structure often considered to be a vestige of evolutionary development despite evidence to the contrary based on comparative primate anatomy.