FIGURE 1.
Studies on MD and health during the last 20 years. Bars represent number of citations in PubMed for two time periods (1995–2004 and 2005–present) for combinations of MD studies and specific chronic diseases.4
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.