Such changes are presumed to have little or no biological effect.
In addition there are claims of other adverse biological effects.
It is unclear whether the increased radiation could have a biological effect.
According to a recent paper the fertility difference is probably not due to any underlying biological effect.
But recent studies point to definite biological effects caused by the fields.
Non-prescription drugs include anything that has a biological effect on the body.
His thesis was on the range of electrons in matter and their biological effects.
"We'll be satisfied to show it's feasible to get any biological effect at all."
"We expected no biological effect from the psychological one."
Electric fields of this intensity have been associated with biological effects.