Two ways that bacteria are helpful is that bacteria is used in the production of some foods such as cheese, pickles, butter, yogurt, sour cream, and chocolate. Without bacteri â¦ a, pizza would not be possible. Another way bacteria helps is by humans obtaining many health benefits from the action of bacteria.
Warnings. 1  Do not stimulate your breasts for longer than the necessary 20 minutes at a time. 2  Lactation hormones are only released into your system for a maximum of 20 minutes, so anything in excess is unnecessary and likely to cause irritation.
Lactation -- milk production -- begins with the birth of the first puppy, when the newbornâs nose passes the cervix during delivery and stimulates hormone production. As long as the mother dog remains in good health and receives an adequate diet, lactation can continue for several weeks after the puppies are weaned.