The book explains how various fluorescent dyes and the comet assay can be used to identify DNA damage, and elaborates on the analysis of the eye, antennae, imaginal disc, gut and muscle damage under bright field and fluorescent microscopes. It covers the analysis of hemolymph using Giemsa staining; determining the functionality of channel proteins, eye and mechanosensory organs in adults and larvae using various behavioral assays; and metal detection and structural analysisfor various tissues using SEM. In closing, it addresses the analysis of Drosophila's eye and head via paraffin section; measurement of reactive oxygen species from various tissues via FACS; and the CRISPER technique for gene editing and analysis of micro RNA mutations.