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/...
Coffee has been associated with a reduced risk of developing diabetes. Caffeinated and decaffeinated coffee may have components other than caffeine that reduce blood glucose concentrations. But take the caffeine out of the coffee, and the caffeine will increase blood sugar up to 8% according to a recent study. This one study was conducted on 10 people with type 2 diabetes, using caffeine capsules. The dose was an equivalent of drinking 4 cups of coffee.