WHATSAPP is planning a new update that will let app users recall or revoke sent text messages, as well as edit texts after they have been sent. WhatsApp may soon let users revoke, recall or edit messages that have already been delivered to contacts within the chat app. The feature would allow users to edit â or completely revoke â messages sent by accident, as well any texts with cringe-inducing typos or content.
NeuroScan is a General Neurotransmitter Test that determines levels of: 1  Serotonin. 2  Dopamine. 3  Norepinephrine. Epinephrine. 4  GABA. 5  PEA. Glutamate.  Creatinine.
DaTscan is a radiopharmaceutical imaging agent that works by binding to dopamine transporters (DaT) in the brain. A specific marker for DaT, DaTscan produces images that provide visual evidence of the presence of dopamine transporters.