23.This is Robert Earl Hughes, the one-time world's heaviest man and his pet dog: At his heaviest, Robert weighed over 1,000 ...

In terms of quantity, the stool samples contained, on average, 20 particles of plastic, ranging in size from 50 to 500 micrometers. (For comparison, a human hair is about 100 micrometers thick.) ...

Scientists have discovered that starving and then refeeding worms can reveal surprising secrets about aging. When a specific ...

The present study developed and standardized an enzime-linked immunosorbent assay (ELISA) to detect Giardia antigen in feces using rabbit polyclonal antibodies. Giardia cysts were purified from human ...

A second man from Albany, N.Y., aged 66, who received the donor’s other kidney also developed a parasitic infection, the ...