0_Apprentice
I have a few friends that are vegans, do you know much about it?
1_Wizard
Not much but I do know some people follow the diet or the philosophy or both.
0_Apprentice
I know there are different types of it, do you know about any of the types?
1_Wizard
Common vegans are dietary vegans stop eating animal products like meat and dairy. 
0_Apprentice
What are the reasons behind becoming a vegan?
1_Wizard
The main reason is that they believe its cruel. Also some extend the philosophy into other areas of their lives, and oppose the use of animals for any purpose.
0_Apprentice
Are there religious reasons as well?
1_Wizard
Yes religious reasons do play into it but only for some. Some religions regard animals higher up than others. Also vegan diets help with reducing chronic disease like heart disease.