Not entirely true. Ultimately all lobular and ductal cancers derive from hormone-positive normal cells. There are hormone negative tumors, but they develop negativeity after multiple generations. Such tumros tend to more often are found in older women, as well.

It doesnt cause breast cancer. If a cancer is present when the patient is pregnant, it can make it grow or become clinically evident faster due to the elevated estrogen and progesterone during pregnancy.

Yes. The amount of water in an inch of rain generates up to six inches of snow. The amount depends on a variety of factors which affects the snowflake size and shape and thus “compactness.” The light fluffy snow has the most accumulation.