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.
The stages of lactation. There are four stages of lactation: Mammogenesis (growth of the breasts) Lactogenesis (the functional change of the breasts so that they can secrete milk) Galactopoiesis (maintaining the production of milk) Involution (the termination of milk production).