CONS
1.Firstly,it is a lack of vitamins.Anemia can be a real problem for vegetarians.You have to check out the nutritional content of products.
2In my opinion,it takes more complicated recipes to make your food tasty.
PRO
1To my mind,no animals will be killed or harmed.
2 Secondly,less diseases.For example,you will benefit from eating less fat and cholesterol,and higher amounts of carbohydrates and fiber.