Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Evaluation of the association between lifestyle factors and breast cancer in the Japanese population
| Evidence grade | Risk factor | Protective factor |
|---|---|---|
| Convincing | Obesity (postmenopausal) | |
| Probable | ||
| Limited-suggestive | Smoking, Passive smoking, Alcohol consumption, Obesity (premenopausal, BMI > 30) | Exercise, Lactation, Soy, Isoflavone |
| Limited-no conclusion | Vegetables, Fruits, Meat, Fish, Grains, Milk and dairy products, Food patterns, Green tea, Folic acid, Vitamins, Carotenoids, Fats | |
