AIDS or opportunistic infections

Active intravenous drug users

Use of: corticosteroids, androgens, lipid-lowering drugs, anti-fungal medications, oxandrolone, megace, dehydroepiandrosterone.

Subjects with diabetes mellitus

Subjects who consume \> 2 alcoholic drinks per day

Pregnant women, premenopausal women unless adequate birth control is in use.

Acute or chronic liver diseases, liver enzymes elevations \> 2.5 times the upper limit of normal.

Anemia, an Hct \< 35% for men, or \< 32% for women.

Abnormal thyroid function tests.

A Study to Determine How and Why HIV-Infected Subjects on Anti-viral Treatment Develop Lipodystrophy