There are many established and new drugs with photosensitising potential

References The Lancet (2021) Onceweekly cagrilintide for weight management: phase 2 dosefinding trial (Lau et al.) Int J Mol Sci (2024) Amylin, another important neuroendocrine hormone for treatment of diabesity PMC (2022) Mediators of amylin action in metabolic control The Lancet (2021) Cagrilintide phase 2 trial: 10.8% weight loss at 4.5 mg dose over 26 weeks N Engl J Med (2025) REDEFINE 1: Coadministered cagrilintide and semaglutide in adults with overweight or obesity The Lancet (2021) Cagrilintide + semaglutide phase 1b trial: safety, tolerability, pharmacokinetics (Enebo et al.) J Med Chem (2021) Development of cagrilintide: a longacting amylin analogue Brain Res Rev (2005) Pancreatic amylin as a centrally acting satiating hormone PMC (2006) Pancreatic signals controlling food intake: insulin, glucagon, and amylin PMC (2016) Amylinmediated control of glycemia, energy balance, and cognition PMC (2024) Clinical pharmacokinetics of semaglutide: systematic review (includes cagrilintide PK data) N Engl J Med (2025) REDEFINE 2: Cagrilintidesemaglutide in adults with overweight/obesity and type 2 diabetes CDC Vaccine administration: subcutaneous injection technique and site guidance CDC (PDF) You Call the Shots: subcutaneous injection diagram and best practices Additional Research and Background These sources provide related context and are not presented as support for a specific statement above

The following are being older, because a person becomes less able to absorb B12 as they age eating a vegetarian or vegan diet taking anti-acid medication for an extended period weight loss surgery or other stomach surgery, which can affect how the digestive system absorbs vitamin B12 Most people can get enough vitamin B12 from dietary sources
Microvasular and macrovascular complications in diabetes mellitus: distinct or continuum
the FDA serotonin-syndrome warning from MAO-A inhibition (a real risk with SSRIs, SNRIs, triptans and MAOIs), G6PD haemolysis and industrial-grade purity dangers
Sleep is as good as ever and energy levels are the same - high