They have the potential to be extremely harmful and it is North Lanarkshire Council's responsibility to get to the bottom of this.

BBC: Tests on Motherwell homes 'rule out' toxic land link

Breakfast eaters are also 40% less likely to develop fat around the belly, which can be extremely harmful to your overall health.

FORBES: 4 Ways To Sleep Better And Be Thinner

For example, a re-engineering of the Internet to make it easier to trace the location of cyberattackers, as some have called for, would surely be expensive, impractical and extremely harmful to privacy.

WSJ: Battling the Cyber Warmongers

Devaluation is extremely harmful.

FORBES: Fact and Comment

What we think would be extremely harmful, because of the uncertainty it creates, would be to create a tollbooth where every two or three weeks you have to collectively with Congress come up with a certain amount of -- certain figure, certain monetary -- number figure in order to fund the government for another two or three weeks.

WHITEHOUSE: Press Briefing

This is an extremely costly, difficult and dangerous process that has potentially harmful environmental impacts.

FORBES: Environmental Scientists Urge That Decommissioned Oil Rigs Be Transformed Into Artificial Reefs

It is "extremely unlikely" that anyone who has consumed affected horse meat will suffer harmful side effects, she said in a statement Thursday.

CNN: UK arrests, French investigation in horse meat scandal

For example, it had proved extremely difficult to persuade American businesses to cut down on the use of harmful chemicals and their release into the environment.

ECONOMIST: Governments are letting in the light