Tethered headsets are physically connected to the laptop or computer. It is a much more complex system that gives an ultimate VR experience. The VR headset for iPhones works pretty well with iPhone, giving the user an awesome virtual reality experience.
DHA (docosahexaenoic acid) is an omega-3 fatty acid often recommended to women during pregnancy. Thought to protect against a number of pregnancy-related complications, DHA is also said to promote the health of the developing child.
Benadryl (diphenhydramine) is classified as pregnancy Category B medication. This means that there is probably no danger to the baby with this medication. The use of Benadryl during pregnancy has not been thoroughly studied, however. Some indications may point to a connection between Benadryl or diphenhydramine use during pregnancy and cleft palate, though this has not been proven conclusively.