Garlic has long been used to fight off illness, but it is only recently that scientists
learned it can kill germs.
Ple, the bacteria in your intestines help you digest food.) But
other microbes have the potential to cause illness in the
human body. We call these disease- causing microbes germs.
Germs can be spread through food, water, the air, or the environment.
They can also be spread by physical contact
between two people. Sometimes germs can be spread by physical
contact with animals, although many germs that infect animals
are slightly different from the ones that make people sick.
Before people knew about germs, they didn’t understand how diseases started and spread.
Sometimes they blamed diseases on evil spirits—or, later, on “bad blood,” an idea without any medical source. They would come up with treatments based on these
ideas, such as performing exorcisms or deliberately cutting people
to drain the “bad” blood. These treatments often failed,
and even when they worked, doctors didn’t fully understand why.
For example, garlic was used for medical purposes in many
ancient cultures, but only recently have scientists discovered that
it can kill germs.
One of the earliest known suggestions that germs cause disease came from the Italian
To be continue....+
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