It is not always clear that eating something as harmless as wheat can be bad for a person's health.

VOA: special.2010.06.15

So, I said to myself, it would be a simple, harmless act to help him, as much as I could.

VOA: special.2009.01.03

To some people,they are nothing more than a harmless treat or a guilty pleasure to enjoy from time to time.

VOA: special.2010.04.12

"Many people underestimate the health risks of their own cigarette consumption, thinking that a few cigarettes here and there, a few cigarettes every day,are harmless.

VOA: special.2009.06.03

Half received the vaccine. The other half received a placebo, or harmless substance.

VOA: special.2009.10.13

It was only a placebo, a harmless substance.

VOA: special.2009.10.20

All of the men say they never intended to bring down any planes, but rather they wanted to unleash a series of harmless stunt explosions on famous landmarks here to in their words, "expose the failings of Western foreign policy."

VOA: standard.2009.09.07