870 results found
Health topics
… through open doorways, windows, vents, and heating and air conditioning systems. Mould in the air outside can also attach itself to clothing, shoes, bags, … such as shoes, that may retain moisture. Keep the house aired out and dry. This may be difficult in some seasons and …
Health topics
… the structure of the lung and may also damage the tiny air sacs (alveoli) in the lung. When these air sacs break down, larger airspaces known as bullae are formed. Bullae sometimes can …
Health topics
… process of heat moving away from the body usually occurs in air temperatures lower than 20 °C (68 °F) . The body loses … loss from sleeping on the cold ground). Heat is lost in air temperatures lower than 20 °C (68 °F) . The body loses about 2% of its heat through air conduction. However, water causes more heat loss from …
Health topics
… Overview Forced expiratory volume (FEV) measures how much air a person can exhale during a forced breath. The amount of air exhaled may be measured during the first (FEV1), second … breath. Forced vital capacity (FVC) is the total amount of air exhaled during the FEV test. Forced expiratory volume …
Health topics
… the safest thing to do is simply to stay indoors. If the air is unsafe because of hazardous chemicals, radiation, or … in place," which limits your exposure to the outside air. To shelter in place: Make sure all family members and … inside. Then close and lock all doors and windows. Turn off air conditioners, fans, and furnaces. Close vents and …
Health topics
… Swimmer's ear is more likely if you have a very narrow or hairy ear canal; live in a warm, humid climate; have little … water in the ear until after the problem clears up. Use a hair dryer set on low to carefully dry the ear after you … your ears with the corner of a tissue or towel, or use a hair dryer on its lowest setting. Hold the dryer 8 to 10 …
Medical tests
… and shows large abnormalities. In a double-contrast or air-contrast study , the colon is first filled with barium, … on the wall of the colon. The colon is then filled with air. This provides a detailed view of the inner surface of … colon. A small balloon on the enema tip may be filled with air to help you hold in the barium. Tightening your anal …
Health features
… and warmer temperatures. Many of us will spend more time outdoors playing sports, hiking, camping, working in the … chronic condition causing swelling and inflammation of the airways. Seasonal allergies may exacerbate or trigger asthma … of cold weather, many of us jump at the chance to get outdoors and enjoy the milder weather of spring. Learn about …
Health topics
… A collapsed lung (pneumothorax) is a buildup of air in the space between the lung and the chest wall (pleural space). As the amount of air in this space increases, the pressure against the lung … in people who don't have lung disease. This happens when an air-filled blister (bleb) on the lung ruptures and releases …
Health topics
… digestive tract. Common causes of gas include: Swallowed air. If swallowed air is not burped up, it passes through the digestive tract … and is released through the anus as gas (flatus). Excessive air swallowing may cause hiccups. Gas-producing foods and …
