respond two classmate’s posts in 100 words with citation and references. 

Here are the questions for you to know what they are answering. 

1. Can physical activity alone prevent weight gain, result in weight loss or keep weight off once it has been lost? What are the Physical Activity and exercise recommendations for achieving energy balance and healthy weight.

3. What are risk factors for metabolic diseases? List two common tests of metabolic function. What are the general recommendations for physical activity and exercise for improving general metabolic health?