Aetiology, Epidemiology & Health Promotion 01/02 Flashcards
What is the definition of Aetiology?
Cause of the disease
What is the definition of Epidemiology?
Incidence and distribution
What is the definition of Health Promotion?
Health promotion is the process of enabling people to increase control over, and improve their health - WHO
What are the 2 types of aetiological factor?
Inherited and acquired
Give 3 examples of acquired factors
Inherited
Lifestyle choices
Hormones
What factors may lead to acquired mutations of oncogenes and/or tumour suppressor genes?
Radiation
Carcinogens
What is the lifetime risk for females developing cancer after 1960?
1 in 7
Sufficient evidence acquired risk factor examples (3)
Alcoholic drinks
Hormone replacement therapy (HRT)
Adult weight gain
Limited/probable evidence acquired risk factors examples (3)
Digoxin (cardiac drug)
HRT
Tobacco smoking
What is the associated risk between tobacco and alcohol and cancer?
Alcohol and tobacco consumption are associated with higher levels of sex hormones, which may partly explain the link between alcohol and breast cancer risk
Endogenous factor definition
Internal factors
Give 2 endogenous breast cancer risk factors
Sex hormones - Oestrogens, progesterone and testosterone
Breast density - Risk is 3>5x higher with denser breasts
What 2 types are included within ‘endogenous hormones’?
Oral contraceptives
HRT
How much higher is breast cancer in men with the highest BMI compared to lowest?
30%
What are the 5 reproductive factors that affect breast cancer chance? (either increase or decrease)
Older age giving birth INC Having children DEC Reproductive organ surgery DEC Younger age at menarche INC Older age at menopause INC