Florists,personal trainers,professors,and nutritionists all have healthy jobs according to research.There are many reasons for this.A florist,for example,sells flowers and plants to customers.This is very relaxing work.A personal trainer,on the other hand,is usually very fit.He or she trains other people to lose weight and to keep fit.A nutritionist has a healthy job too.He or she knows all about healthy food and teaches people to eat well.