Wearing narrow shoes can put excessive pressure on the sides of the foot which ultimately causes this condition. Bone destruction caused by some specific types of Arthritis, such as the Psoriatic and Rheumatoid Arthritis, can lead to misalignment of joints which results in the formation of a bunion.
Smoke inhalation and nicotine are notorious for causing production of mucus; it is also the primary cause of bronchitis and emphysema. A âno smokingâ policy combined with exercise will help to reduce the mucus build-up in the lungs considerably.
1 Allergies: 2  The most common causes for mucus in throat are allergies such as those caused by pollens, smoke, pollution and even by food, such as those resulting from lactose intolerance. 3  It can cause excessive mucus production by the mucus membrane.