Explain How a Pregnant Woman's Smoking May Affect the Age

Q3: Explain how the father's absence from the

Q4: Explain why Zacharias and Wurtman felt that

Q5: The 1997 PROS study reported a substantially

Q6: Girls who reach menarche earlier tend to

Q7: Recent findings from the Nurses' Health Study

Q9: Findings in NHANES III and other studies

Q10: What environmental factors are believed to influence

Q11: It is believed that body size could

Q12: Heavier girls are more likely to reach

Q13: High levels of dioxin have been associated