In 2024, a comprehensive systematic review found evidence to suggest the benefits of fasting, including IF, in reducing the population risk of cardiovascular disease

Contact your GP, prescribing clinician, or clinical trial team if: Cold feelings are persistent, worsening, or significantly affecting your quality of life You notice cold sensations accompanied by unusual fatigue, pallor, shortness of breath, or dizziness , which may suggest anaemia your GP can arrange a Full Blood Count (FBC) and ferritin level to investigate You experience cold, numb, or discoloured fingers and toes (particularly white, blue, or red colour changes), which could indicate Raynaud's phenomenon a condition affecting blood flow to the extremities (NHS) You have unexplained hair loss alongside cold intolerance , which may point to thyroid dysfunction a Thyroid Function Test (TFT) can be arranged by your GP Cold feelings develop alongside significant muscle weakness or cramps , which could suggest an electrolyte imbalance your GP can arrange Urea and Electrolytes (U&Es) and other relevant blood tests You experience persistent vomiting, diarrhoea, or an inability to keep fluids down , as these can lead to dehydration and, in some cases, acute kidney injury (AKI) seek prompt medical review if you notice reduced urine output or feel faint If you are enrolled in a clinical trial , contact your study team before making any changes to your treatment or if you develop new or worsening symptoms

The researchers who maintain the most consistent protocols are those who treat their prefilling routine as a non-negotiable part of their week, like meal prep or medication management, rather than something they do when they feel like it
The ideal storage temperature is around 4C, or 39F,9 so a refrigerator is the best place for it
Semaglutides peptide structure does not resemble those targets, and there is no published evidence showing meaningful cross-reactivity that would lead to a false positive