Patient information · General health
Weight management
what the evidence says, without the moralising
Body weight is regulated by biology that actively defends against loss, which is why maintained weight loss is difficult for almost everyone and why repeated failure is a property of the system rather than of the person. Understanding that changes what a sensible plan looks like.
Please speak to us rather than starting a diet if
- you are restricting food, purging, or exercising compulsively
- you feel out of control around food, or eat in secret and feel deep shame afterwards
- you have lost weight without trying — this needs investigating, not celebrating
- you are pregnant or breastfeeding
- your weight is dominating your thoughts, or affecting your mood
Eating disorders occur at every body size and are frequently missed in larger bodies. If your relationship with food is distressing you, that is the thing to address first — weight loss advice given into an eating disorder makes it worse. We can help, and Beat's helpline (0808 801 0677) offers confidential support.
Worth excluding first
- an underactive thyroid, and less commonly Cushing's syndrome
- PCOS, which makes weight loss harder and is very common
- medicines — some antidepressants, antipsychotics, steroids, insulin and beta-blockers
- sleep apnoea and poor sleep, which disrupt appetite hormones directly
- undiagnosed type 2 diabetes or prediabetes
- depression, anxiety and binge eating
Why keeping it off is the hard part
Losing weight lowers the rate at which you burn energy and increases hunger hormones — and both changes persist for years afterwards. Your body behaves as though the lost weight were a famine to be corrected. This is not a metaphor or an excuse; it is measurable physiology, and it is why maintenance requires ongoing effort rather than a finishing line.
What actually predicts success
- A modest target. Losing 5 to 10% substantially improves blood pressure, blood glucose, cholesterol, sleep apnoea and joint pain. You do not need to reach a 'normal' BMI to get most of the benefit.
- An approach you could still be doing in a year. Anything you are enduring rather than living with will end.
- Protein and fibre at each meal, which affect satiety more than calorie counting alone.
- Regular self-monitoring — weighing weekly, or recording food — is one of the strongest predictors in the research.
- Strength training alongside any weight loss, to preserve muscle.
- Sleep and stress, both of which drive appetite independently of willpower.
- Ongoing support. Programmes with regular contact consistently outperform advice given once.
Worth doing
- Planning meals so decisions are made in advance
- Reducing liquid calories, which do not register as fullness
- Building activity into the day rather than only into the gym
- Treating a bad week as data, not as failure
- Getting blood pressure, glucose and lipids checked
Not worth it
- Very low calorie diets without medical supervision
- Detoxes, teas, and anything promising rapid results
- Cutting out entire food groups without a reason
- Weighing daily and reacting to normal fluctuation
- Setting a target weight from an age you were 20 years ago
Medical options
Where lifestyle change alone has not been enough, weight loss medication is now genuinely effective and appropriate for many people — see our separate leaflet. Bariatric surgery remains the most effective intervention for severe obesity, particularly with type 2 diabetes, and is worth discussing rather than treating as a last resort.
Book an appointment if you want a proper assessment rather than generic advice. We check thyroid, glucose, lipids and liver function, screen for PCOS and sleep apnoea, review your medicines, and discuss all the options including medication and referral for surgery.
Full assessment, not generic advice
Seven days a week, 9am–7pm, on Whitechapel Road.
Tower Bridge Hospital London
97–99 Whitechapel Road, London E1 1DT
WhatsApp 07903 284 189
info@mhwclinic.co.uk
Open Mon–Sat, 9am–7pm (closed Sundays until September)
In an emergency
Call 999, or go to the Royal London Hospital Emergency Department, Whitechapel Road, London E1 1FR.
When we are closed and it is not an emergency
Call NHS 111 or visit 111.nhs.uk.