Why do phytochemicals protect against chronic diseases antio
     Why do phytochemicals protect against chronic diseases?  anti-oxidants;  inhibition of cell growth;  induction of apoptosis;  stimulation of immune system;  inhibition of nutrient absorption  Not conclusive, but may be included all above. 
  
  Solution
Not conclusive, but may include all above.
Phytochemicals are undefined plant derived substances shown to have wide variety of effects on biological system. They act as antioxidants, anticancer agents and also play a role in digestive system.

