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.
Frequency and content of LD for female (black), male (white), gender not answered (gray). (A) Percentage of LD report for at least once in lifetime. (B) Number of LD episodes recall. (C) Frequency of LD control. (D) Things to do during LD. (E) LD episodes duration. (F) Factors that may have facilitated LD occurrence.
