Too little means lower yields and lower profits. Too much wastes money and causes pollution.

VOA: standard.2010.07.28

But his family and friends knew he still believed in the causes he had sung and written about all his life.

VOA: special.2010.06.20

He used long talks with patients and the study of dreams to search for the causes of mental and emotional problems.

VOA: special.2010.04.13

The report says one in five men die from alcohol related causes in the Russian Federation and neighboring countries.

VOA: special.2011.02.16

Also in the top ten causes were infections, including tuberculosis and H.I.V./AIDS, as well as drowning and fire-related deaths.

VOA: special.2009.09.28

Chris Howson says many of the causes of preterm births are related to poverty and weak health-care systems.

VOA: special.2009.10.19

The report says one in five men die from alcohol-related causes in the Russian Federation and neighboring countries.

VOA: special.2011.03.08

He was forty-nine years old. Leprosy -- also called Hansen's disease is a bacterial disease that causes skin wounds and nerve damage.

VOA: special.2009.10.14

Economists blamed the crisis on different causes, including high energy costs, bad weather and the use of food-crop lands for biofuel production.

VOA: special.2010.03.23

The causes of heat stress include wearing heavy clothing, physical work or exercise, hot weather and high humidity.

VOA: special.2011.08.09

Poverty,malnutrition,overcrowding, lack of clean conditions, pollution and limited health services are all causes of their poor health.

VOA: special.2009.07.20

But it was Darwin who identified and explained the process, natural selection, that causes life to evolve.

VOA: special.2009.02.25

He was honored for his bravery and honesty as well as his strong support of just causes.

VOA: special.2010.02.07

"I don't see a need to overhaul the regulations. The regulations cover the major causes of pipeline failures,and we do not see any gaps."

VOA: special.2011.07.08