Because of exposure to different pesticides, chemicals, cleaning solutions and fumes, among other things, people in certain lines of work are more at risk of developing brain cancer. Men who work in plumbing; heating and air conditioning; roofing and siding; newspapers; rubber and plastic manufacturing; construction supervising; gasoline stations; cleaning and janitorial work; electrical services; and salespeople and guards have an increased risk of developing brain cancer. Also, women who work in agriculture; textiles; electrical equipment; retail; farming and restaurants share this increased risk.