SAMHSA is an agency within the U.S. department of health and human services that makes public health efforts to advance the behavioral health of the nation.
LINKS on pages 27-28 in your links book you can find information on your social relationships with your friends. Page 27 has you listen to songs about friendship and take notes on what makes a good friend
NIH the National Institute of Health is an organization that prioritizes the science behind social isolation and how it can pose health risks