The yeast Candida albicans lives inside every one of us. Normally it presents no problems, but today's widespread use of broad-spectrum antibiotics, antacids, contraceptive pills, and steroids, as well as the all-too-common sugar-rich diet, can lead to a proliferation of this parasitic yeast within the body. Often overlooked by doctors, overgrowth of Candida has been linked to a wide variety of physical and mental problems such as depression, heartburn, "brain fog" etc.