Smoking
How does it cause cancer in everyday life?
What is so bad about smoking?
- 90% of lung cancer deaths in men & 80% in women are due to lung cancer in the United States
- "Smoking causes many other types of cancer, including cancers of the throat, mouth, nasal cavity, esophagus, stomach, pancreas, kidney, bladder, and cervix, and acute myeloid leukemia."
- "Cigarette smoking causes an estimated 443,000 deaths each year, including approximately 49,000 deaths due to exposure to secondhand smoke."
Cancer Graph
This picture is taken from wikipedia (2006)
Health vs. Unhealthy
This picture is taken from the National Institute on Drug Abuse (2012)
Scan
Picture represents the acting effects of smoking on your body. It shows the decrease in enzymes responsible for dopamine (brain function & nerves) This picture is taken from the National Institute on Drug Abuse (2012)
Tobacco has Dangerous Chemicals
- Smoking tobacco has over 70 carcinogens
- Inhalation of smoke lets chemicals enter lungs
- Tobacco can damage DNA molecules
- Rapid Growth to repair damaged DNA
- Then becomes uncontrollable
- Lung cancer can result
- Other cancer: throat, larynx, pharynx
Smoking & Cancer Mutation
- "Primary lung cancer"- cancer originates in lungs
- "Secondary lung cancer"- cancer moves to lungs after effecting another area first
- "Metastasis" is the spreading of cancer to new sights
- New sight of cancer is called "metastases"
- Metastasis occurs when cancerous material invades the blood stream and lymphatic channels
What happens when you have cancer?
- Cancer cells will multiple controllably
- Take over a certain area of the body
- If cancer keeps growing, invaded area will not function properly
- Ex: If your lungs can't function the way they are supposed to, you can't breathe and die
Prevention
- Its pretty simple.... STOP SMOKING
- Avoid Second Hand Smoking
- Routine house checks for radon
- Healthy Diet (Fruits have been found to protect against lung cancer)
Treatment
- Chemotherapy (first stage)
- Radiotherapy
- Chemoradiotherapy (at the same time)
- Lobectomy- removing of a lobe from the lung (stage 1&2 cancer)
- Peumonectomy- removing of a whole lung (stage 3)