Canker sores (aphthous ulcers or aphthous stomatitis) are small, painful ulcers inside the mouth. They may occur on the tongue and on the inside linings of the cheeks, lips, and throat.They usually appear white, gray, or yellow in color, with a red border.anker sores (aphthous ulcers or aphthous stomatitis) are small, painful ulcers inside the mouth. They may occur on the tongue and on the inside linings of the cheeks, lips, and throat.
Emotional stress is less likely to cause hair loss than physical stress, but it can happen, for instance, in the case of divorce, after the death of a loved one, or while caring for an aging parent. More often, though, emotional stress won't actually precipitate the hair loss.
Hormones and hormonal changes are the leading cause for hair loss. Whether or not your hair is recoverable depends on the cause of your hormone imbalance, for which there are many. From a genetic predisposition to birth control pills to menopause, there are natural causes of hormone imbalance and preventable ones. Consult your primary care physician about getting your hormone imbalance under control, which is the most important thing. Your hair may grow back as a result.