They found that climate changes "are already exerting a considerable drag on yield growth" and may have affected food prices.
VOA: special.2011.05.17
They may have a weak or damaged heart, high blood pressure or other problems of the blood system.
VOA: special.2010.07.27
We will give a possible explanation for why some people may have an increased risk of developing diseases like diabetes and asthma.
VOA: special.2009.11.24
Doctors say anyone with pain, swelling or red skin on a leg during or after a long trip may have a blood clot.
VOA: special.2009.07.14
It found that overweight people between the ages of twenty and fifty-five may have a higher risk.
VOA: special.2009.03.18
They may have a high body temperature and some areas of skin may turn red.
VOA: special.2009.05.26
The bank may have a change of heart.
VOA: special.2010.07.18
Adjunct professors may have a doctorate.
VOA: special.2009.04.09
Haskins gives the president a "D" for his spending policies even though he admits it may have averted a bigger disaster.
VOA: standard.2010.01.15
Chinese tires make up and most are lower-end tires that retailers may have a hard time buying elsewhere.
VOA: standard.2009.09.14
But Fraser says information technology specialists may have a tendency to focus on the technology and not see things from the user's point of view.
VOA: standard.2010.02.24
He says drug smugglers will always be around, but that the government may have a chance to substantially reduce their power and their threat to public safety.
VOA: standard.2009.06.09
Jeff Sessions is a Republican from Alabama: "This legislation may have a great vision, it may have a great idea about trying to make the system work better.
VOA: standard.2009.12.25
Jaballah warns that banning the face veil may have a perverse effect.
VOA: standard.2010.01.30
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