At an academic health center, a new oral diabetes medication…

At an academic health center, a new oral diabetes medication is being investigated.   One group is taking the new medication and other group is taking a placebo (or fake pill).   The subjects of the study and the researchers do not know which groups are taking the medication.   What type of research study is described in this scenario?

OH5- During the birthing process, the baby pushes on the cer…

OH5- During the birthing process, the baby pushes on the cervix and a signal are sent to the brain. The brain releases oxytocin causing the uterus to contract. As the baby pushes more on the cervix, more oxytocin is released causing the uterus to contract even more. This is an example of