The team then compared those records to weather conditions in the twenty­four hours before the hospital visits. For every increase of five degrees Celsius in air temperature, the patients had a seven and one­half percent higher risk of migraine. Decreases in barometric pressure two to three days before the visit also appeared to cause headaches.

　　A separate study has found that age, gender and where a person has extra body fat may affect the risk of migraine. It found that overweight people between the ages of twenty and fifty­five may have a higher risk. On average, those who were larger around the middle were more likely to have migraines than those of the same age with smaller waistlines(腰围).

　　Experts suggest that losing weight in the stomach area may help younger people who experience migraines, especially women. Doing exercises regularly is also helpful to reducing migraine headaches.

　　Title: __31__

　　__32__ ·__33__.

　　· Not feel back to normal for hours or even days.

　　People suffering

　　from it Young adults and __34__

　　__35__

　　__36__

　　Hot weather→ every increase of five degrees Celsius: seven and one­half percent higher risk of migraine

　　__37__→ decreases two to three days before the visit appeared to cause headaches

　　A separate study __38__ and where a person has extra body fat→ overweight people between twenty and fifty­five have a higher risk

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