During asexual reproduction the posterior part of the animal simply breaks off. This is the most common means of reproduction in Dugesia. Regeneration.-- This has been widely studied in this group of animals. There is a polarity that exists in each cut piece.
Yeast Infections are usually signified by itching and burning in the vagina and around the vulva. A white vaginal discharge that may look like cottage cheese and may be odorless or have a yeasty smell (like bread or beer).
There is a smell that comes and goes with using gas stove and/or furnace, or simply having the house closed for afew days. Not a gas smell, it is sicky yeast odor as someone said. Affecting family members differently. I feel it in my nose and throat, hubby smells it and gets a headache, son gets queazy from it. We have been airing out the house thinking it may be formaldehyde residue buildup from being closed all winter.