Early findings suggest brain and muscle energy supply can fail in chronic fatigue syndrome when oxygen is limited under controlled conditions. MedUni Vienna reported this finding in people with the illness, also called ME/CFS. Healthy people were able to keep their energy supply working under those conditions. The report does not give the number of people studied or the size of the difference. This matters to our Chronic Fatigue community, but the finding concerns ME/CFS specifically. It does not explain every case of lasting tiredness. A new project, ME-RESET, will explore where the energy problem begins. It will run for 36 months, with €999,930 in funding. Researchers will examine whether blood flow or cells’ energy-making parts are involved. They will also test whether extra oxygen can partly reverse the problem. The team plans to use detailed scans and blood tests. This is not evidence of a ready-to-use treatment. The goal is to understand the illness. The article also highlights delayed worsening after even small physical or mental efforts. In ME/CFS, this often happens 24 to 72 hours later. It describes pacing as managing activity within available energy, rather than pushing through symptoms. For members tracking their experience, that delay is worth noting when comparing days. A same-day log may miss what happens over the next three days. Notes on activity, symptom severity, and recovery time could make community comparisons more useful. The report does not name a blood test that members can use to confirm this energy problem. What patterns have you noticed between everyday effort and how you feel over the following three days?