An Indian who is Rank 107 from IIT Mumbai (Bachelors in Computer Science).
An Indian who did his Masters and PhD in Computer Science from University of Minnesota, Minneapolis, USA.
The liver metabolizes medicine. It goes out thru the kidneys (filtration ---- not waste metabolism).
The metabolites/residue of the metabolites/residue of the metabolites/residue will ultimately be taken out thru the liver (and the bile produced in the liver and has toxins and which is stored in the gall bladder and comes out in the intestines.
The toxins are also useful to sterilize the food ---- the human body is so perfectly designed.
google "Does bile store toxins" or google "Does the liver remove toxins through the bile" or some such thing.