Their research shows a link between high cholesterol and an increased risk of heart attacks. 他们的研究表明高胆固醇与心脏病发作风险的增加有关。The study links high cholesterol levels to/with an increased risk of heart attacks.这项研究表明，高胆固醇会增加心脏病发作的风险。High cholesterol is linked to an increased risk of heart attacks.高胆固醇与心脏病发作风险的增加有关联。