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.
Why is your hair falling out? Men and women can suffer from hair loss for a variety of reasons. Genetics is often to blame for hair loss, and in many cases, it is the root cause. However, there is a large percentage of the population that experiences hair loss as a side effect of another condition or medication. Everything from poor nutrition to chronic stress to a hormonal imbalance can lead to hair loss.