1 People with diseases or conditions that weaken the immune system, such as HIV or AIDS, which makes them more vulnerable to a TB infection.  Those who are in confined living conditions such as homeless shelters, migrant farm camps, nursing homes, schools, and correctional facilities.
NO, there is no caffeine in Sugar. Sugar is derived from many sources. Table sugar is made from molasses derived from sugarcane juice and is chemically known as sucrose. It is also extracted from beetroot. Look up https://en.m.wikipedia.org/wiki/...
Foods do not contain pure glucose, although diabetics sometimes carry pure glucose tablets or gels to raise their blood sugar quickly if they develop hypoglycemia, the medical term of low blood sugar. Many foods contain glucose mixed with another sugar; fruits, for example, often contain glucose and fructose.