Sulfur dioxide can cause inflammation which can aggravate chronic bronchitis and make infections more likely. Exposure to extreme heat may also aggravate symptoms. Cholesterol crystals are believed to both impair myelin repair and aggravate inflammation. Exercise or certain postures can aggravate the symptoms. Sleep restriction may aggravate other preexisting conditions. Rarely, even sexual intercourse can aggravate symptoms. However, no clinical studies suggest that morphine can aggravate or cause pancreatitis or cholecystitis. In some people, insoluble fiber supplementation may aggravate symptoms. It may aggravate kidney or liver problems. Bananas can also aggravate constipation especially in young children. Additionally, anxiety caused by self-consciousness to the sweating may aggravate the sweating. Gargan continues to instigate the gang war and aggravate Jameson in person. Withdrawal of corticosteroids (topical steroid cream) can aggravate psoriasis due to the rebound effect. And progression of AD would aggravate sleep disturbances. Nasal obstruction can thus aggravate the psychological health of OSA patients.