Tobacco Flashcards
Nicotine
Poisonous if concentrated.
90% absorbed through inhalation.
Stimulates cerebral cortex.
Enhances mood and alertness, but in large doses can be sedative.
Triggers adrenaline production, ++ BP and HR
Appetite suppressant and dulls taste buds
Prevents creation of urine
FDA classified as dangerous and addictive
Heart and respiratory disease
Respiratory disease
Breathlessness, cough and phlegm
COPD - bronchitis and emphysema
Inability to inhale air - destroys air sacs and strains heart
Bronchial tubes narrowed and inflamed, mucus increased
Cancer
Lung mouth pharynx larynx esophagus pancreas bladder
Second hand smoke and risk to families
Increased risk of serious health problems
3 hour a day exposure 3 x risk for cancer
Contributes to asthma and bronchitis
increased risk of SIDS
Lung cancer, heart disease, stroke
children hate it
Other carcinogens
Asbestos, dark hair dye, nickel, PVC (poly vinyl chloride)
Tar and carbon monoxide
Tar = several hundred chemicals, poisonous and carcinogenic
Settles in bronchial tubes, damages mucus and cilia
Smoke is 400 times safe level
Carbon monoxide prevents blood from carrying oxygen,
impairs CNS, responsible for heart attacks and strokes
Stroke
Smoking doubles risk of stroke.
HBP peeps have greatest benefit from quitting
Weakens heart muscle, difficult to clear blockage
Heart disease
Leading cause of smoking-related death
More damaging than high cholesterol or BP
Cardiomyopathy
Weakened heart muscle
Addictive qualities of nicotine
Improved memory Feelings of satisfaction/well being pain tolerance performance of repetitive tasks reduced hunger and anxiety Depression is a trigger to smoking (i.e. Mom's death)
Other problems
Miss 1/3 more workdays
Gum disease and lost teeth mouth and stomach ulcer cirrhosis of the liver allergies diabetes hypertension impotence if more than 10 a day
Secondhand smoke composition
Twice the tar and nicotine
FIVE times the carbon monoxide
3000 people a year lung cancer
more dangerous than radon or fed regulated pollutants
Quitting strategies
Support group nicotine patches (6-16 weeks) nicotine gum (expensive) hypnosis acupuncture
Smokeless tobacco
chewing
snuff
both have health effects: cancer, bad breath, teeth, gum disease