蔬菜水果有助于降低遗传心脏病风险

短语讲解：

1. Scientists found healthier eating can turn off the risk gene and mitigate the risk of heart attack.

turn off避开(话题)，回避；(使)偏离，(使)转向，转移
例句：Why did the president turn off the question?
总统为什么回避这个问题?

2. Researchers studied a large group of more than 27,000 people whose genetic makeup, or genotype, includes a unique gene associated with an increased risk of heart attack.

associate with与…交往, 联系
例句：The doctor was associated in the child's mind with injections and pains.
在孩子的心里, 医生总是使他联想到打针与疼痛。

3. The research - one of the largest gene-diet interaction studies ever conducted on heart disease - included people from five ethnicities - European, South Asian, Chinese, Latin American and Arab - who were already taking part in heart studies.

take part in参加…, 参与…活动
例句：John takes part in many school activities.
约翰参加很多学校里的活动。

4. The results, published in the journal PloS Medicine, show that a minimum of two servings a day of raw fruits, vegetables and berries seemed to protect people against the adverse effects of the bad gene.

protect against保护, 保卫
例句：You need warm clothes to protect you against the cold.
你需要暖和的衣服来御寒。

5. Health officials have long recommended this heart-healthy diet to protect against heart disease and other chronic diseases like stroke and cancer, but Anand says that only a minority of those people act on it.

act on对…起作用〔有功效〕
例句：This medicine acts on the heart.
这药对心脏起作用。