A 2026 UK review of the A1/A2A mechanism, tolerance, the 56h half-life sleep tax, the record 2026 dementia data (~35% lower risk at 23 cups), energy drinks and the under-16s ban , the EFSA 400 mg / NHS 200 mg limits, the BDNF link and the HGF/c-Met case and why caffeine hygiene, not a peptide, comes first Read the full review Psychopharmacology & Cognitive Neuroscience 22 June 2026 Dihexa for SSRI & Antidepressant Brain Fog: Emotional Blunting, Memory & the 2026 UK Review My mood is better on my antidepressant so why do I feel foggy, flat and half-switched-off? A record 8.89 million people in England were prescribed antidepressants in 2024/25 ( NHSBSA : 92.6 million items), and an estimated 4060% of SSRI users report emotional blunting
It is important to keep your health records updated and organised with your healthcare provider
Remember, self-administered B12 injections and self-administered b12 shots are within your grasp
Many would develop scurvy, a life-threatening vitamin C deficiency
PMC 4953733
Nguyen, T., Khalaf, N., Ramsey, D