5. INTRODUCTION
Smoking is a practice in
which a substance is
burned and the result
smoke is typically
breathed in to be tasted
and absorbed into the
bloodstream.
6. DEFINITION OF BASIC TERMS
INHALATION
Refers to the inhaling of medicines or anesthetics in
the form of a gas or vapour. Examples: the action of
breathing air, smoke, or gas into your lungs.
SMOKE
A visible suspension of carbon or other particles in
air, typically one emitted from a burning substance.
EFFECTS
Refers to a change which is a result or consequence
of an action or other cause.
7. SECOND HAND SMOKING
Secondhand smoke is the smoke that you exhale
plus the ‘side-stream’ smoke created by the lit
end of your cigarette. It is also called
environmental tobacco smoke(ETS). It is a
mixture of 2 forms of smoke that come from
burning tobacco:
1. Mainstream smoke: The smoke exhaled by a
person who smokes.
2. Side-stream smoke: Smoke from the lighted end
of a cigarette, pipe, or cigar, or tobacco burning
in a hookah. This type of smoke has higher
concentrations of nicotine and cancer-causing
agents(carcinogens) than mainstream smoke.
8. EFFECTS OF SECOND HAND SMOKE
INHALATION IN EARLY LIFE
Increased risk for acute
respiratory infections such as
pneumonia and bronchitis
Middle ear disease
More frequent and severe
asthma
Respiratory symptoms
Slowed lung growth
9. LONG-TERM EFFECTS
Poor lung development(meaning
that the lungs never grow to their
full potential)
Lung cancer
Heart disease
Cataracts (an eye disease)
