3. Etiology

What is the single cause of breast cancer?

There is NO single cause of breast cancer,

but there are some risk factors that are widley accepted

Breast cancer etiology 

Wear DRAG & Get High, Hugh Heff

What is the most significant risk factor of breast cancer?

Gender

What is the #1 hormone that can cause breast cancer?

estrogen

What type of dietary fat is the worst kind of fat for breast cancer?

animal fats

What is the median age for breast cancer?

55

At what age does beast cancer start to become more common?

40

A family history of breast cancer increases risk of breast cancer. Specially if…

it is a first degree relative (e.g. mom, sister, daughter)

The gene BRCA-1 or BRCA-2 increases the changes of getting breast cancer by ___%

100% (you have the gene → you get breast cancer)

Moderate alcohol consumption increases the risk of developing breast cancer, especially in ___ women

younger

FYI: Why does early menarche combined with late menopause increase the risk of developing cancer?

It means you have a long fertility period

Ionizing radiation increases the risk of developing breast cancer, specially iif the exposure was before the age of___

35

HRT stands for

Hormone Replacement Therapy

Smoking history of longer than __ years increases the risk of breast cancer

20 

What are other possible factors that increase the risk of breast cancer?

• oral contraceptives

• no children/ birthing after 35

• not breastfeeding

• body shape

Why does the use of oral contraceptives continue to be controversial with relation to breast cancer risk?

Many studies say it’s a risk factor, while

many other studies say it helps reduce the risk

What body shape increases the risk of breast cancer?

a. apple shape

b. pear shape

apple shape (cuz it has higher body fat)