I'm thinking about becoming a vegetarian! 
You should , a fact is that veganism is  the practice of abstaining from animal products 
Is it healthy to be a vegetarian? 
It is said to be healthier .  A follower on this diet is also called a vegan 
If I become a vegan, can I still eat dairy foods like eggs and cheese?
You can't eat any animal products, not only meat but also eggs and dair products you can't consume those either
Oh, okay. I'm not sure I can do that! What are some other reasons people become vegetarians?
Not much information on that but i did find that the german's do not recommend vegan diets for children , or women during pregnancy . 
Oh really? Why is that?
, New Zealand Ministry of Health, Harvard Medical School, and the British Dietetic Association. The German Society for Nutrition does not recommend vegan diets for children or adolescents, or during pregnancy and breastfeeding. In preliminary clinical research, vegan diets lowered the risk of type 2 diabetes, high blood pressure, obesity, and ischemic heart disease. Vegan diets tend to be higher in dietary fiber, magnesium, folic acid, vitamin C, vitamin E, iron, and phytochemicals; and lower in dietary energy, saturated fat, cholesterol
Veganism
Veganism is the practice of abstaining from the use of animal products, particularly in diet, and an associated philosophy that rejects the commodity status of animals. A follower of the diet or the philosophy is known as a vegan. Distinctions may be made between several categories of veganism. "Dietary vegans" (also known as strict vegetarians) refrain from consuming animal products, not only meat but also eggs, dairy products and other animal-derived substances. The term "ethical vegan" is often applied to those who