Latex allergy allergy is an IgE (immune) mediated reaction to proteins found in the "Hevea brasiliensis" tree, a type of rubber tree. Testing for type I natural rubber latex allergy is through blood testing to determine if the patient is producing IgE antibodies to latex proteins. Anaphylactic shock can be provoked in allergic persons by the "previous" use of latex in an area: latex is typically powdered to prevent sticking, latex proteins become attached to the particles of powder, and the powder becomes airborne when the latex item is used, triggering potentially life-threatening Type I reactions when the latex-contaminated powder is inhaled
What Is Life it a year later, after completing work on Preston's second Apple album, "Encouraging Words". By May 1970, having recently collaborated with "genuine R&B heavy-weights" such as Doris Troy and Preston, as well as participating in the "blue-eyed soul" Delaney & Bonnie European tour, along with Eric Clapton, the previous December, Harrison was well placed to record "What Is Life", Leng observes. With Phil Spector as co-producer and all the Friends team on hand, the song was among the first tracks taped for Harrison's debut post-Beatles solo album; recording took place at Abbey Road Studios in London, during late May or