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Marilia Seelaender, a cachexia researcher at the University of São Paulo, remains skeptical that long-term wasting in people is driven by lactate.

Marilia said her only wish is that her brother’s death ends up meaning something — that it is a part of a bigger story of change.

“They don’t see us as humans,” said his sister, Marilia Candia Guevara, 36.

The fossil is now housed in the �Ѳ���í������ Museum of Paleontology.

In 2004, co-author William Nava, a paleontologist at the �Ѳ���í������ Museum of Paleontology, unearthed an unusual 80-million-year-old fossil deposit near the city of Presidente Prudente in southeastern Brazil.