81.   Why do infected men seem to live longer than infected woman, and do the standard AIDS treatments work as well for women as they do for men?

82.   While these treatments work in many cases, a problem may occur because some lice are becoming increasingly resistant to these medications, so they continue to thrive.

83.   Why does longer treatment work so well?

84.   You have to spend the night in a sleep laboratory, and patients who are treated then have to be brought back to see if the treatment is working.

85.   Other studies suggest certain treatments may work but are risky if used the wrong way.

86.   Palsson now is leading a study at EVMS to find out how the treatment works.

87.   -- No one can convincingly explain why the treatment works.

88.   But the medical treatment apparently worked.

89.   Current treatments work by boosting the immune system rather than attacking the virus, but are not widely successful in many patients.

90.   Doctors caution, however, that more research is needed to be sure the treatment really works.