John P. A. Ioannidis is a professor and chairman at the Department of Hygiene and Epidemiology, University of Ioannina

University of Ioannina

The University of Ioannina is a university lying in the plains 5 km southwest of Ioannina, Greece. The campus is linked to the town by Greek National Road 5. It now hosts over 20,000 students in 17 faculties...

 School of Medicine as well as tenured adjunct professor at Tufts University School of Medicine

Tufts University School of Medicine

The Tufts University School of Medicine is one of the eight schools that constitute Tufts University. Located on the university's health sciences campus in the Chinatown district of Boston, Massachusetts, the medical school has clinical affiliations with thousands of doctors and researchers in the...

 and Professor of Medicine and Director of the Stanford Prevention Research Center at Stanford University School of Medicine.

Biography

He was born in 1965 and raised in Athens, Greece. He graduated first in his class at the University of Athens Medical School, then attended Harvard University

Harvard University

Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...

 for his medical residency in internal medicine

Internal medicine

Internal medicine is the medical specialty dealing with the prevention, diagnosis, and treatment of adult diseases. Physicians specializing in internal medicine are called internists. They are especially skilled in the management of patients who have undifferentiated or multi-system disease processes...

. He then did a fellowship

Fellowship

Fellowship may refer to:* An academic position: see fellow* A merit-based scholarship, or form of academic financial aid* Fellowship , a period of medical training after a residency...

 at Tufts University

Tufts University

Tufts University is a private research university located in Medford/Somerville, near Boston, Massachusetts. It is organized into ten schools, including two undergraduate programs and eight graduate divisions, on four campuses in Massachusetts and on the eastern border of France...

 for infectious disease

Infectious disease

Infectious diseases, also known as communicable diseases, contagious diseases or transmissible diseases comprise clinically evident illness resulting from the infection, presence and growth of pathogenic biological agents in an individual host organism...

.

Ioannidis' 2005 paper Why Most Published Research Findings Are False
has been the most downloaded technical paper from the journal PLoS Medicine

PLoS Medicine

PLoS Medicine is a peer-reviewed medical journal covering the full spectrum of the medical sciences. It began operation on October 19, 2004. It was the second journal of the Public Library of Science , a non-profit open-access publisher. All content in PLoS Medicine is published under the Creative...

.
As the link shows, this paper has met much approval, though Goodman and Greenland criticized it in a short comment
and a longer analysis.
Ioannidis has answered this critique.

A profile of his work in this area appears in the Nov 2010 issue of The Atlantic. The Atlantic article notes Ioannidis analyzed "49 of the most highly regarded research findings in medicine over the previous 13 years". And "Of the 49 articles, 45 claimed to have uncovered effective interventions. Thirty-four of these claims had been retested, and 14 of these, or 41 percent, had been convincingly shown to be wrong or significantly exaggerated."

External links

• John P. A. Ioannidis, MD, PhD, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center
• Ioannidis John P. A., Department of Hygiene and Epidemiology, University of Ioannina School of Medicine
• Szgene.org, meta-analytic database of schizophrenia gene studies of which Dr. Ioannidis helped create.