For one thing, they said, this kind of chemotherapy can be less effective in older patients.
Some people can be less effective in front of 10 than someone else in front of 25".
Vaccination against flu appears to be less effective in people who take statins, according to two new studies.
Cutting interest rates seems to be less effective in a downturn caused by excess investment than in others.
With police service cuts, the proposed replacement of asbos with CPIs (crime prevention injunctions) may be less effective in providing the necessary help to protect the vulnerable.
"Uncoordinated reforms will be less effective in promoting financial stability," said Walter B. Kielholz, a member of the institute's board and chairman of the reinsurer Swiss Re.
Japan also demonstrates how monetary policy can be less effective in a post-bubble economy and not just because its banks are broke.
When there is excess capacity and an overhang of debt, interest-rate cuts tend to be less effective in reviving demand.
Monetary policy may be less effective in this downturn, argues the fund's managing director, Dominique Strauss-Kahn, and many countries are in unusually strong fiscal positions.
Which is that austerity may in fact be less effective in fixing the deficit than is widely believed.
We review the reasons that large-particle aerosols are likely to be less effective in infants and young children.
