Please fill me in. I have a 8 year old with a IgM dificiency. I als have a 9 month old with a IgG dificiency. The 8 year old is doing Ok, but the 9 month old has chronic colds and asthma. Is there any way of increasing there immunity in this area, besides the IVIG? Also please fill me in on what to be cautious of. I want to give them the best quality of life. Any natural immune boosters, That Work? Than you so much.