1 Your health care provider should investigate diarrhea that lasts more than three days.  Constipation. Constipation is defined as having less than three bowel movements in a week, and it is one of the most common gastrointestinal complaints. Having constipation, however, does not mean you have colon cancer.
Causes. The fungus candida causes a vaginal yeast infection. Your vagina naturally contains a balanced mix of yeast, including candida, and bacteria. Lactobacillus bacteria produce acid, which prevents yeast overgrowth. That balance can be disrupted and lead to a yeast infection.auses. The fungus candida causes a vaginal yeast infection. Your vagina naturally contains a balanced mix of yeast, including candida, and bacteria. Lactobacillus bacteria produce acid, which prevents yeast overgrowth. That balance can be disrupted and lead to a yeast infection.
The term yeast is often taken as a synonym for Saccharomyces cerevisiae, but the phylogenetic diversity of yeasts is shown by their placement in two separate phyla: the Ascomycota and the Basidiomycota. The budding yeasts (true yeasts) are classified in the order Saccharomycetales.