How are Drugs Tested? [Don't Include Details of Clinical Trial]

1. Computer Models starts it off, which Imagines a Human Response to the Drug. This can be used to Separate the Promising Drugs for the Next Stage 2. Then Human Tissue Testing Begins, but the Problem with this is that Whole Body Systems or a Cluster can't be Tested [Blood Pressure Drug] so again, used for Promising Drug Separation. 3. Now, Testing it on Animals. In the UK: New Drugs need to be Tested on 2 Different Mammals. May be Cruel but is also the Safest Way because no Human Life is Threatened [Ish] 4. Then, Human Testing Begins..