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Popular drugs for depression may lead to more risks than benefits for pregnant women, a review of research finds. The review focused on women who had problems getting pregnant. But the studies reviewed also included other pregnant women. The most popular drugs for depression are called selective serotonin reuptake inhibitors. Prior research has linked the use of some of these drugs during pregnancy with higher risks of miscarriage, birth defects and preterm (early) birth. The strongest evidence of risk has been seen for paroxetine (Paxil). Some studies also suggest effects on the babies’ behavior and health. The new review of research found no evidence that treating depression with drugs can lead to a healthier pregnancy or birth. The study did conclude that talk therapy can reduce depression symptoms. This type of treatment does not require drugs.

A newer drug appears to work well against head lice, researchers report. The new study used a lotion made with ivermectin, an insecticide. Researchers randomly divided 765 children who were infested with head lice into 2 groups. One group received ivermectin lotion. The other got a placebo containing no medicine. The lotions were applied to the hair and left on for 10 minutes before rinsing. A day later, 95% of the ivermectin group and 31% of the placebo group were louse-free. Researchers also checked at day 15 because louse eggs may hatch after treatment. At that point, 74% of the ivermectin group and 18% of the placebo group still had no lice. Researchers said current treatments, such as permethrin and pyrethrin, are only about 50% effective. Lice also have been gaining resistance to these treatments.