has insulin dependent diabetes

is pregnant, nursing, or had a baby in the past 4 months

has ever been treated for an eating disorder (e.g. anorexia nervosa, bulimia)

had a heart attack in the past 2 years requiring hospitalization

has ever had a stroke

has congestive heart failure

has uncontrolled hypertension

currently participating in another study

is on a doctor-prescribed diet that cannot be changed (e.g. very low protein diet for a person in liver failure)

Effectiveness of SisterTalk Hartford for Weight Loss Among African-American Women