OBJECTIVES It is claimed that performing a "deep stop," a stop at about half of maximal diving depth (MDD), can reduce the amount of detectable precordial bubbles after the dive and may thus diminish the risk of decompression sickness. In order to ascertain whether this reduction is caused by the deep stop or by a prolonged decompression time, we wanted to test the "deep stop" theory without in...

This paper considers the ‘Teen Mental Health Deep Dive’ slide set created by staff at Instagram in 2019 to present results from internal research and later released publicly along with annotations. The was initially highlighted Wall Street Journal an article focusing on claims within that use of a having negative impact teen mental health, especially social com...

trauma is one of the major non-obstetric causes of pregnancy-associated maternal deaths. most cases of maternal trauma include: motor vehicle crashes, domestic violence, falls, burns, suicide, and toxic exposure. pregnancy-related anatomic and physiologic changes like increased joint laxity, weight gain, and changes in the center of gravity during pregnancy increase the risk of falling. one of ...