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.
There are four stages of lactation: 1  Mammogenesis (growth of the breasts) 2  Lactogenesis (the functional change of the breasts so that they can secrete milk) 3  Galactopoiesis (maintaining the production of milk) 4  Involution (the termination of milk production).