The book offers an in-depth look at Infrared Spectroscopy, elucidating its role in the field of Biomedicine and Life Science. It has been specially compiled for the purpose of serving scientists, learners and even workers in industry, agriculture and pharmaceutical companies. The book deals with the use of MIRS and NIRS in brain activity and medical study. This book also talks about FT-IR spectra of breast tissues, atheromatic plaques, human bones and projects examination of haemodynamic activation in the cerebral cortex, brain oxygenation researches and many interesting insights from a scientific viewpoint.