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 test that is used to look for dopamine transporters (DaT) in the brain. During the scan, pictures are taken of your brain to show how much dopamine is present. This test helps your. doctor find the cause of tremors, such as Parkinsonâs disease.