What component of green tea can interfere with blood-thinning medications and reduce the absorption of iron from food?

Since the 1990s, HIV transmission rates among intravenous drug users have been reduced from about 50% to about 10%. According to the text, which of these factors led to this decrease?

A. syringe exchange programs B. sexual abstinence education C. increased Narcotics Anonymous attendance D. decreased use of hormonal contraceptives

Which of the following statements about thin slices is most accurate?

a. Thin slices lead to inaccurate impressions of others. b. In many instances, lasting and often accurate impressions of others form in just a few moments. c. Thin-slice impressions are 100% accurate. d. Thin slices work only when rating the attractiveness of others.