But this year has already seen signs of a resurgence in several areas and environmental groups believe proposed changes to Brazil's Forest Code will exacerbate the problem in the Amazon and beyond.

Hormonal changes can exacerbate the effects of ADHD too.

A recent change in federal law that forces the city to cut off benefits automatically to anyone who has not been recertified by deadline exacerbated the problem, he said.

Scott Allmendinger, food editor of Restaurant Business magazine, a trade publication, said the recent changes in immigration laws, which make it more difficult for employees to hire illegal aliens, have exacerbated the labor problem.

Drought is a predictable event in the Horn of Africa's semi-arid and arid climate, however climate change and changes in agricultural practices have exacerbated the impact.

The political changes in both states have, if anything, exacerbated the conflict.

These changes exacerbated the band's pre-existing instability and, after the release of a third single "Drink Drink Drink"', it folded.

The downside is that the changes in licensing will exacerbate the growing rift between Oracle and the existing community of OpenSolaris enthusiasts.

The changes caused by the beginnings of industrialisation exacerbated social and economic tensions considerably.

Moreover, political and social changes associated with the change to a new regime have exacerbated some men's sense of insecurity.