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Two test types match the two scenarios: a clinic-administered PCR swab of an active lesion is the right tool when there is something visible to test, and a blood antibody assay (at-home rapid kits or a lab draw) is the right tool when no sore is present, because it detects past exposure rather than local infection of a specific spot

research organization estimated nearly 20 percent of military personnel returning from Iraq and Afghanistan, or about 300,000 people, have symptoms of post-traumatic stress disorder or major depression

Better sleep is one of the positive effects that marijuana users swear by, but there has been relatively little careful research on this topic, says Stein, the studys principal investigator