The same trend was seen for moderate activities, including walking.

走路等适度运动也呈现出同样的趋势。

Throughout the week, aim to do a 150 minutes of moderate activity.

每周的运动目标，是150分钟的适度运动。

He notes that mild to moderate physical activity is usually OK if you have a common cold.

他指出，" 如果是普通感冒，进行轻度到中度运动通常没有问题。"

Doctors at the American Heart Association suggest getting at least 150 minutes of moderate physical activity every week.

美国心脏协会的医生建议，人们每周应至少进行150分钟的中度运动。

" Pretty much the whole country or most of the country is either seeing moderate or severe flu activity at this point."

“此时此刻，美国的许多家庭，甚至是大多数家庭都在遭受着中等或是严重的流感病毒攻击。”

In fact, Harvard researchers found that as little as 15 minutes of moderate physical activity a day can increase your life span by three years.

事实上，哈佛大学的研究人员发现，每天只需15分钟的适度体育活动，就能让你的寿命延长3年。

Current guidelines say that: heart disease patients should do up to an hour of moderate activity at least 5 times a week, which is still in line with the study.

目前的指导策略是， 心脏疾病患者，每周最多能从事五次，每次一小时的适度活动，这和研究的结果一致。