Weight, appetite, eating and movement are often discussed as though they are simple measures of motivation or self control. They are not. Changes in these areas can sit alongside stress, anxiety, low mood, trauma, disrupted sleep, illness, pain, neurodivergence, medication, hormonal changes, financial pressure, caring responsibilities, food access, cultural experiences and practical routine. A guide cannot determine why a particular change is happening or prescribe a response for an individual. It is possible to care about health without making weight the only marker of it. People can experience shame, body dissatisfaction, rigid rules, checking, avoidance of social situations, guilt around food or exercise, loss of appetite, eating for comfort, or anxiety about physical changes. None of these experiences is evidence of a moral failing. They may be meaningful signals that deserve a careful, compassionate conversation. Physical symptoms should not automatically be attributed to mental health. Unintentional changes in weight or appetite, fainting, dizziness, weakness, persistent pain, gastrointestinal symptoms, changes in menstruation, dehydration, medication side effects or a marked change in functioning may need timely medical assessment. Medication questions should be discussed with the prescribing clinician. Do not stop, start or alter prescribed medication on the basis of an online guide. Eating difficulties exist on a wide spectrum. Someone does not need to match a stereotype or have a particular body size before seeking help. Restriction, bingeing, purging, compulsive movement, fear around food, rapid changes in intake, intense body distress or a sense of being out of control can require specialist assessment. The Lyceum Clinic does not provide a substitute for urgent medical care, dietetic input or specialist eating disorder services where those are needed. An assessment led conversation can consider what is happening without assuming the answer. When did it change? What else was happening at the time? How are mood, sleep, energy, concentration and physical health affected? What is the relationship with food, movement and body image? Are there safety concerns? What support is already involved? The aim is not to police a body, diet or exercise pattern. It is to understand context and identify an appropriate next step. CBT based therapy may be considered after assessment where appropriate. It can explore self criticism, body image, avoidance, worry, all or nothing rules, emotional coping and the pressure attached to eating or movement. It cannot diagnose an eating disorder, prescribe a diet or exercise plan, replace medical review or guarantee a change in weight, mood or behaviour. Behavioural work should be collaborative and safety aware, not a demand to restrict food, pursue a target weight, increase movement or confront feared situations without appropriate clinical guidance. Urgent appropriate help is needed if someone feels unable to stay safe, has thoughts of suicide or self harm, is experiencing serious physical deterioration, fainting, severe dehydration, chest pain, confusion, psychosis or a sudden marked change in mental state. A webpage cannot assess acute risk or make a crisis plan. For related information, see body image support at lyceumclinic.co.uk/therapy/body dysmorphic disorder/, the guide to body dysmorphic disorder and CBT at lyceumclinic.co.uk/guides/body dysmorphic disorder cbt west london/ and depression support at lyceumclinic.co.uk/therapy/depression/. You can enquire about current arrangements and whether CBT based therapy may be suitable alongside any medical or specialist care.