31.   A new theory that sunburns lower immune function has scientists considering a lymphoma link.

32.   However, an unbalanced system can compromise immune function.

33.   Most previous work in animals involved using animal tumors without any element of human immune function, Chang said.

34.   The drug stops only the category of white blood cells that promote this response, leaving intact the rest of the immune function of the newly transferred marrow.

35.   This can lead to malnutrition, muscle wastage and impaired immune function.

36.   Vitamin A is crucial for good vision, immune function, and other bodily functions.

37.   Vitamin A is crucial for good vision, immune function and other bodily functions.

38.   Zinc, for example, plays a critical role in protein synthesis and immune functions, they said.