One interesting study found that the heritability estimates for disordered eating were about 6% at age 11, but at age 14 the estimates for genetic contributions had increased to 46%. What is the best explanation for this finding?
A. The researchers made more accurate measurements at the 14-year-old time point.
B. All eating disorders have a 3-year latency period that it takes them to fully develop.
C. Factors associated with puberty - stress, hormones, and dieting - may be responsible.
D. People with eating disorders dropped out of the study, biasing the results.
Answer: C
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