Further testing is needed.
More testing is needed, he said.
More testing is needed to confirm preliminary results, he said.
But officials say there is no consensus and that more testing is needed.
Earlier today, Mr Arafat's nephew said he does not believe further testing is needed.
The company says its product has not caused lung problems, although longer testing is needed to prove that.
This fiasco shows how urgently an overhaul of testing is needed if trust is to be restored".
Moreover, some studies have shown that because of the way Xolair works, it might also prove effective for hay fever and food allergies, though more testing is needed.
But it takes time for such tests to rise to abnormal levels, and further testing is needed to be sure he did not have a heart attack.
Far more testing is needed to find out whether PYY or related molecules are safe and effective, especially for long-term use.
A heart-rate increase of 30 beats per minute is a classic sign of POTS, though further testing is needed to rule out other conditions.
