How can a person boost the immune system?

Foods that are made fro meat , poultry, fish, or dry beans and peas ,nuts ,seeds , and eggs are considered part of which food group

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

Results from damage to tiny air sacs in the lungs