But most doctors take a "buyer beware" attitude because many claims lack scientific proof or explanation of how they might work.

An individual's belief that an environmental claim lacks honesty can have a negative effect on attitude toward a brand.

Other claims for and by Heights residents and others also lack documentation.

"We believe the ruling clearly affirms that Apple's legal claims lack merit," the company said.

Against this reality his claim for an autonomous republic of labor lacks credibility.

The claims that the checks have nothing to do with coming elections lacks credibility.

The claim that the male fed the female while she was incubating and on the nest "lacks evidence".

These claims are biologically implausible and lack convincing scientific evidence.

The claim that this measure is designed to combat illegal immigration also lacks any credibility.

If the statement refers to illegal foreign money, then his claim lacks evidence.