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Unit 19: Biology Part 2 Page 83 of 137
includes washing your hands after As hard as you might try to
using the restroom, after handling prevent it, at some point your will
raw meat, after being around likely get an infectious disease.
someone who is sick, and before When this happens, try to avoid
preparing or eating food. Soap being around others so you don’t
helps make your hands an infect them. Also, be sure to cover
undesirable place for pathogens to your cough and continue to wash
live, which is, of course, exactly your hands frequently to keep from
the way you want it. spreading your pathogens to
others.
You can also use a hand sanitizer
with alcohol. Alcohol kills many Noninfectious Diseases
bacteria.
Not all diseases can be spread from
To prevent getting a disease one person to another. Diseases
caused by vectors, the best that are not able to be passed from
strategy is, of course, to avoid person to person are called
vectors. If you’re going noninfectious diseases. Some
somewhere where you know ticks noninfectious diseases are caused
or mosquitoes are likely to be by pathogens, but the pathogens
found, it’s a good idea to wear long are not able to spread from person
sleeves and long pants. There are to person.
also some insect repellants that
can be used to keep vectors away. Often times, noninfectious diseases
are caused by a combination of
genetics and lifestyle choices. This
means that a characteristic can be
inherited, or passed on from
parents to children.
Your eye and hair color are both
genetic traits. It is also possible to
inherit the tendency to have high
blood pressure, a noninfectious
Figure 71 – These “gaiters” disease.
cover the lower leg and provide
some protection against Inheriting this characteristic,
vectors. however, does not mean you will
definitely have high blood
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