The document discusses the harmful effects of smoking tobacco. It notes that tobacco smoking is the second leading cause of death worldwide, killing over 5 million people per year. The document outlines that cigarettes contain over 4000 chemicals, including 43 known carcinogens. It also discusses the three types of smoke produced from cigarette smoking - mainstream, sidestream, and third-hand smoke. All three expose smokers and those around them to harmful toxins that increase risks of cancer, heart disease, and other serious health issues. The key message is that tobacco smoking has devastating long-term consequences for human health.
TOBACCO -TOBACCO isa tall, leafy,
plant, originally grown in
South and Central America
-Nicotiana tabacum – common
tobacco
-Tobacco use has been recorded
as early as 600-900 CE as carved
drawings on stones, were
discovered in Mexico.
-American Indians smoked it for
special religious occasions and
purposes only. THEY NEVER
SMOKED CIGAR EVERY DAY.
7.
• According tothe World Health Organization (WHO), tobacco smoking and chewing is the second
leading cause of death around the world.
• It is responsible for the death of 1 in 10 adults worldwide approximately reaching about 5 million
deaths in a year.
• It is estimated that the death toll will rise to 10 million each year by the year 2020.
• http://www.who.int/mediacentre/factsheets/fs339/en/
• Each time a person puffs a cigarette or chew tobacco, more
than 4000 chemicals come into his / her contact.
• In studies conducted, 43 of these chemicals are known
carcinogens.
• CARCINOGENS are substances which cause cancer.
• NICOTENE, the addictive drug found in tobacco products like
cigarettes are poisonous.
• A stimulant drug increases the central nervous system (CNS)
activity. The CNS controls all body organs like the heart, lung,
brain, and processes like heart rate, blood pressure rate etc.
8.
•1. MAINSTREAM SMOKE
•-Refersspecifically to the
smoke that a smoker
directly inhales
THREE SMOKES PRODUCED BY CIGARETTE SMOKING
9.
THREE SMOKES PRODUCEDBY CIGARETTE SMOKING
•2. SIDESTREAM SMOKE
•-the smoke that comes out of
the lighted end of a cigarette or
pipe.
•- also called SECOND-HAND
SMOKE or ENVIRONMENTAL
TOBACCO SMOKE. This is more
dangerous than mainstream
smoke
10.
THREE SMOKES PRODUCEDBY CIGARETTE SMOKING
1. THIRD-HAND SMOKE
•-smoke left for a long
time on sofa, beddings,
pillow and other objects.
-also called RESIDUAL
TOBACCO SMOKE settles
along with and can last for
months. This smoke still
contains harmful chemicals
and carcinogens.
11.
• The EnvironmentalProtection Agency (EPA) classifies second-hand
smoke as a Group A carcinogen.
• This means that cigarette smoke has substances known to cause
cancer to humans.
• Short exposure to second-hand smoke can also cause changes in a
passive smoker’s blood.
• It makes the blood platelets stickier, add friction to the blood vessels
causing damages to the linings, thus resulting to an increase in heart
rate and performance. (www.epa.gov)
1. What didyou feel while looking at the
pictures?
2. What generalization can you form based on
the given pictures regarding the long-term
health effects of cigarette smoking?