Too much cortisol and adrenalin can result in physical problems and changes that lead to stress-related sickness.

VOA: special.2009.03.24

Last week,we discussed a new study of injuries in physical education classes in American schools.

VOA: special.2009.08.13

The federal government is encouraging schools to make more time so children can participate in physical activity.

VOA: standard.2010.03.09

The National Association for Sport and Physical Education says twenty to thirty students in a P.E.class should be the limit.

VOA: special.2009.08.06

At home,children living with a sick adult are more likely to live in poverty and face physical and emotional abuse.

VOA: special.2011.06.08

They answered questions about their level of physical activity as teenagers and at age thirty, fifty and late in life.

VOA: special.2010.07.07

She started Camp Shriver at her home in Maryland to give disabled children a fun summer program filled with physical activities.

VOA: special.2009.08.23

And he says it must start in the schools by giving all Indian children the same instruction on physical activity and diet.

VOA: special.2010.05.12

But it seemed that teenage physical activity was particularly important in terms of the prevention of cognitive impairments."

VOA: special.2010.07.07

Wild animals are considered a top problem for the physical and economic security of rural populations in Africa.

VOA: special.2010.07.27

Social networks are all about connecting friends and friends of friends, just like in the physical world.

VOA: special.2009.09.14

Others die from being out in the cold or from heart attacks caused by extreme physical activity.

VOA: special.2010.01.05

He compared obesity rates and physical activity levels of women who had been in high school before and after Title Nine took effect.

VOA: special.2010.03.04

When left untreated,however, it can lead to changes in a person's physical appearance and even death.

VOA: special.2010.07.06