She was particularly critical of the weight given animal studies.
The animal studies have also shown that the kind of fat makes little difference.
It has at least two effects that, in animal studies, fight cancer.
Their results from animal studies appear today in the journal Science.
When animal studies are completed, the next major step is to ask what happens in patients.
"We don't perceive the need to do any more animal studies."
But researchers are cautious about the results of animal studies.
He reported on animal studies done in mice (see Question 5).
Animal studies have also shown that exercise can impact brain development early on in life.
"We have had some promising animal studies and trials in a few women."
