1.   Professor Griffiths explained how the drug appears to work.

2.   Almost giddy with success after years of defeat, scientists are reporting that two experimental drugs appear to blunt the spread of AIDS better than any other treatment.

3.   At a FDA advisory panel meeting in June, panel members said the drug appeared to greatly help the small population of patients with KS.

4.   Both drugs appear to be more effective than the old standby, acyclovir, but they have not been compared to each other.

5.   --A drug called Apomine appears to help some people with melanoma.

6.   Both drugs appear to work within a day.

7.   But either way, the drugs appear to be coming through networks that operate largely beyond the reach of regulators.

8.   But two new prescription antiviral drugs now appear capable of slowing the virus down before it can do permanent nerve damage.

9.   Called D-cycloserine, the drug appears to activate receptors in brain pathways involved in social and cognitive behavior.

10.   Celltech said the drug appeared effective in the second of three human clinical trials, with fewer side effects than existing products.