The TB blood test can be done instead of a TB skin test (Mantoux). You should have a TB blood (or TB skin test) if you: 1  have HIV infection or your immune system is not very strong.  Children less than 5 years old should have the TB skin test instead of the TB blood test. Ask your health care provider. They will draw a small amount of blood and send it to a laboratory. Your health care provider should tell you if your test result is ânegativeâ or âpositiveâ in a few days.
10 Ways Sugar Harms Your Health. 1  1. Sugar causes blood glucose to spike and plummet. 2  3. Sugar interferes with immune function. 3  3. Romieu, I., Lazcano-Ponce, E., Sanchez-Zamorano, L.M., et al., âCarbohydrates and the Risk of Breast Cancer Among Mexican Women..
Sugar can suppress your immune system and impair your defenses against infectious disease.1,2. Sugar upsets the mineral relationships in your body: causes chromium and copper deficiencies and interferes with absorption of calcium and magnesium. 3,4,5,6.