Causes
It is almost always impossible to prove exactly what caused a cancer in any individual, because most cancers have multiple possible causes. For example, if a person who uses tobacco heavily develops lung cancer, then it was very probably caused by the tobacco use, but since everyone has a small chance of developing lung cancer as a result of air pollution or radiation, then there is a tiny chance that the smoker's lung cancer actually developed because of air pollution or radiation.
Cancers are primarily an environmental disease with 90-95% of cases attributed to environmental factors and 5-10% due to genetics.[1] Environmental, as used by cancer researchers, means any cause that is not genetic, not merely pollution. Common environmental factors that contribute to cancer death include tobacco (25-30%), diet andobesity (30-35%), infections (15-20%), radiation (both ionizing and non-ionizing, up to 10%), stress, lack of physical activity, and environmental pollutants.[1]
Statistik
Translate
Blog Archive
-
▼
2011
(1064)
-
▼
Oktober
(834)
-
▼
Okt 20
(110)
- Society and culture
- Research
- Society and culture
- Research
- Prognosis
- Epidemiology
- History
- Prognosis
- Epidemiology
- History
- Genetic testing
- Management
- Alternative treatments
- Palliative care
- Genetic testing
- Management
- Alternative treatments
- Palliative care
- Medication
- Vaccination
- Screening
- Recommendations
- Medication
- Vaccination
- Screening
- Recommendations
- Pathology
- Prevention
- Dietary
- Pathology
- Prevention
- Dietary
- Hormones
- Other
- Pathophysiology
- Diagnosis
- Hormones
- Other
- Pathophysiology
- Diagnosis
- Radiation
- Heredity
- Physical agents
- Physical trauma and inflammation
- Radiation
- Heredity
- Physical agents
- Physical trauma and inflammation
- Causes
- Chemicals
- Diet and exercise
- Infection
- Causes
- Chemicals
- Diet and exercise
- Infection
- Cancer
- Classification
- Signs and symptoms
- Cancer
- Classification
- Signs and symptoms
- Education
- Legal controls
- Controversy
- Diagnostic specialties
- Other major specialties
- Interdisciplinary fields
- Basic sciences
- Specialties
- Surgery
- 'Medicine' as a specialty
- Clinical practice
- Institutions
- Delivery
- Branches
- History
- Medicine
- Market
- Alternatives to the automobile
- Industry
- Driverless cars
- Future car technologies
- Open source development
- Safety
- Costs and benefits
- Environmental impact
- Other negative effects
- Mass production
- Weight
- Fuel and propulsion technologies
- Etymology
- History
- Automobile
- Awards
- Home media release
- similiar
- Release
- Critical reception
- Box office
-
▼
Okt 20
(110)
-
▼
Oktober
(834)
0 komentar:
Posting Komentar