过敏体质者。有关科学家调查了近4万人,凡是有哮喘、药物性或化学试剂等过敏的人,比无过敏史者更易患癌。如有过敏史的女性罹患乳腺癌的危险比正常人高30％,有过敏史的男性罹患前列腺癌的机会比正常人高41％。 Allergies. The relevant scientists surveyed nearly 40,000 people who have allergies such as asthma, drug or chemical agents, and are more likely to develop cancer than those without a history of allergies. Women with a history of allergies have a 30% higher risk of breast cancer than normal people. Men with a history of allergies have a 41% higher chance of developing prostate cancer than normal people.