Sentence examples for are harmful at from inspiring English sources

Given so many variables, it is difficult to determine how harmful these chemicals might be, or if they are harmful at all, or what anyone can do to avoid their effects.

As many of these ions are harmful at higher concentrations, ion homeostasis is fundamental for cell function.

Recent research indicates that ozone may be harmful at levels even lower than the Federal standard.

At the same time, mounting research is suggesting that supplements even mainstays like calcium may be harmful at high doses.

Recent research indicates that ozone may be harmful at levels even lower than the current Federal standard.

In studying data about protein intake during many years, he says the picture becomes clearer: What's good for you at one age might be harmful at another.

The finding, from scientists in the Netherlands, reveals an apparent "physical activity paradox" where exercise can be harmful at work but beneficial to health when performed in leisure time.

"If there is a determination of injury, a modest type of remedy, will not be harmful at all to the industry and I think we'll continue to thrive and more jobs will be created," Widmar said.

'So policies to limit increase in ozone must be seen as an even higher priority.' Ozone is harmful at sea level but in the stratosphere, six to 31 miles high, it forms a protective layer which blots out the sun's powerful ultra-violet radiation.

Love is wonderful and can be harmful at the same time.

Zinc is harmful at lower sub-lethal values, particularly after extended exposure (Bryan and Langston, 1992; UNEP, 1993).