The factors are related to holistic health because they are kind of all traits of health and your daily life
B: an STD (A sexually transmitted disease)
With improved fitness you can expect a lower resting heart rate.
First you should to give an options to choose. If you want to choose right source for diet and weight loss guides. First you should go to doctor who can give you a useful advice about that. Then read some books written by qualified specialists to get to know more about weight loss. You should be careful with that as it's very serious stuf.
Answer:
anyone over 21 years of age