Importance of cookware in AyurvedaPart-4-vessels to avoid

It is always better to avoid Aluminium vessels and plates,Plastic vessels (for microwaving),Paper plates ,thermocol plates must be avoided for good health.
Using Aluminium  for long can produce ulcers in the mouth and the stomach,Can cause depression,can affect the brain and heart,Can cause knee pains,head aches,ear problems and also constipation.
 (Some of the materials described were not mentioned in ancient Ayurvedic texts however research has proved the same)