It is an embryo because a zygote is just a cell and it turns into a fetus after 8 weeks
Many fast food restaurants have healthy choices on their menu. Salads with low calorie/ low fat dressings. Lean proteins like grilled chicken are also a good choice. A balanced diet is part of a healthy eating pattern, so eating fast food in moderation is a good choice.
Bone fractures. An eating disorder like anorexia nervosa can cause low bone density and be at risk of fractures.