Doctors at these centers replace damaged eyes with the healthy eyes of donors who have just died.

VOA: special.2009.03.30

Fungi which don't often cause infections in people with healthy immune systems but can under some circumstances, and can be tremendous problems in patients that have weakened immune systems.

真菌在免疫系统健康的情况下通常,不引起感染,但在某些情况下也会感染,那就成了极大的问题,在免疫系统脆弱的病人体内

耶鲁公开课 - 生物医学工程探索课程节选

This year I hope to graduate with my Master's and be healthy and happy.

VOA: special.2009.01.01

The scientists compared bees from affected colonies with those from healthy colonies.

VOA: special.2009.09.22

The team compared bees from affected colonies with those from healthy colonies.

VOA: special.2009.09.15

Empowering parents and caregivers with simpler messages about healthy food choices.

VOA: special.2010.06.07

Most healthy people infected with the virus show no signs.

VOA: special.2009.05.26

They can help us cope with stress. They can help us maintain healthy habits like eating well,exercising or seeing a doctor.

VOA: standard.2010.07.29

But he added that healthy relations with Russia could be good for everybody.

VOA: standard.2010.07.05

And we work with parents and community residents to really understand why this is so important, and for them to hopefully demand these healthy foods and places to exercise in their own communities."

VOA: standard.2010.06.23

"Thousands of people gathered around the Siriraj area with the same feeling in our hearts for to humbly ask His Majesty the king to return to the healthy situation as soon as possible,".

VOA: standard.2009.09.21