The definition of epidemiology is the study of the distribution and dynamics of diseases as it affects large groups of people. In recent usages, the diseases is not required to be communicable, examples include cancer or heart disease. Another example includes the infamous Black Palgue of the middle ages.
The other similar but different in definition is endemic diseases, endemic is common diseases that occur at a constant but relatively low rate in the population. An example of an endemic disease is malaria in Africa and Indonesia last period time, large population is expected to get malaria at some point in their lifetime. Another example is bubonic plague or Black Death that swept through Europe in the 1340s that kill millions of peoples.
Garlic or white onion usually use as cooking ingredient, generally garlic use as repair the taste of cooking and make food feel more delicious. Beside this function garlic also have good prevention from rotten because of bacteria. Bacteria won’t occupy the food that contains many of garlic, so actually bacteria are similar with Dracula that afraid of garlic like on the story. This benefit often use by traditional yeast maker that use garlic to prevent from bacteria. On the yeast people just take fungi to make a fermentation process.
That kind of garlic fruit that use for bacteria repellent have a small form, different with Indian garlic that have more bigger form, Indian garlic can’t be use as bacteria repellent. Maybe not all kind of bacteria afraid of garlic ingredient, because bacteria also useful to make the onion rest become rotten. The identification of bacteria that are afraid from garlic just bacteria that like to live in powder.
