diabetes risk reduction
Informed by recognized medical guidance
Overview
Diabetes is a condition where your blood sugar level is too high. Type 2 diabetes is the most common type. Reducing your risk means taking steps to lower your chances of developing this condition, often through healthy lifestyle changes.
Key facts
- Type 2 diabetes is often preventable or can be delayed.
- Losing 5–10% of your body weight can significantly lower your risk.
- Regular physical activity and a healthy diet are powerful tools.
- Your risk increases with age, family history, and certain ethnic backgrounds.
Yes, diabetes is very common. Around 1 in 10 adults worldwide have diabetes, and most of these have type 2 diabetes.
It affects adults of all ages, but risk rises after age 40. You are also at higher risk if you are overweight, have high blood pressure, or have a family history. People of South Asian, African-Caribbean, Middle Eastern, and Pacific Islander backgrounds are more affected.
Symptoms
- Confusion or extreme drowsiness
- Breathing that smells fruity or like nail polish remover
- Vomiting with severe abdominal pain
- Rapid deep breathing or shortness of breath
- Unable to stay awake or fainting
- ⚠New symptoms of diabetes, like frequent thirst and urination
- ⚠Blurred vision that develops suddenly
- ⚠A wound or blister that is healing very slowly
Common symptoms
- Feeling very thirsty
- Urinating more often than usual
- Feeling more tired than usual
- Blurred vision
- Slow-healing cuts and bruises
- Unexplained weight loss
Symptoms in children
- Bedwetting after previously being dry
- New or increased thirst
- Unexplained tiredness
- Irritability or mood changes
Symptoms in older adults
- More frequent infections, such as urine or skin infections
- Confusion or drowsiness
- Fatigue and weakness
- Increased thirst and dry mouth
Causes
Main causes
- Type 2 diabetes happens when your body does not respond well to insulin, a hormone that helps move sugar from your blood into your cells.
- Over time, your pancreas cannot produce enough insulin to keep your blood sugar normal.
- Excess weight, especially around the belly, and lack of physical activity are major contributors.
Risk factors
- Being overweight or obese
- Being physically inactive
- Having a parent, brother, or sister with type 2 diabetes
- Being over 40 years old (or over 25 if you are of South Asian, African-Caribbean, or Middle Eastern background)
- Having high blood pressure or high cholesterol
- Having a history of gestational diabetes (diabetes during pregnancy)
When to see a doctor
See a doctor urgently if:
- If you have any symptoms of diabetes, such as extreme thirst, frequent urination, or unexplained weight loss, see a doctor as soon as possible.
- If you have a family member with diabetes and you are worried, ask for a blood sugar check at your next appointment.
Book a routine appointment if:
- If you are over 40 or have risk factors like being overweight, ask your doctor about a diabetes risk screening.
- If you have prediabetes (higher than normal blood sugar), get checked regularly as advised by your healthcare team.
Diagnosis
To find out if you are at risk of developing diabetes, a doctor or nurse will do a blood test to check your blood sugar level. They may also ask about your lifestyle, weight, and family history.
Tests that may be done
- A1C test (shows your average blood sugar over the past 2–3 months)
- Fasting blood sugar test (after not eating for 8 hours)
- Oral glucose tolerance test (a sugary drink, then a blood test after 2 hours)
What to expect at your appointment
The tests are simple and usually done at a clinic or hospital. You may need to fast beforehand. Results may take a few days. If you receive a prediabetes diagnosis, your healthcare team will give you clear advice on how to lower your risk.
Treatment
There is no single treatment for diabetes risk reduction. Instead, the approach focuses on preventing or delaying the condition through lifestyle changes, and in some cases, medical support for people at very high risk.
Self-care at home
- Aim to lose 5–10% of your body weight if you are overweight. Even 5% makes a difference.
- Be active for at least 30 minutes on most days. This includes brisk walking, cycling, or swimming.
- Eat a diet rich in vegetables, fruits, whole grains, and lean proteins. Limit sugary foods and refined carbohydrates.
- Avoid sugary drinks, and drink water or unsweetened tea instead.
- Manage stress and get enough sleep, as both affect blood sugar.
Medical treatments
Some people with very high risk may be offered medicines to help control blood sugar, alongside lifestyle changes. Any medication should be discussed with your doctor. There are also structured diabetes prevention programs led by trained professionals.
When is surgery considered?
For some people with severe obesity, weight-loss (bariatric) surgery may be an option to reduce the risk of developing diabetes. This is only considered after trying other methods and after a thorough evaluation by a specialist.
Living with this condition
If you are at risk, think of every meal and every walk as a step toward better health. You don't need to change everything at once. Build small, realistic habits that you can stick with.
Lifestyle tips
- Plan your meals ahead to include more vegetables and whole foods.
- Take a 10-minute walk after meals to help manage blood sugar.
- Find physical activities you enjoy, such as dancing, gardening, or hiking.
- Get enough sleep, as poor sleep can increase insulin resistance.
- Limit alcohol and avoid sugary mixers.
Diet and exercise
A balanced diet is key. Fill half your plate with vegetables, a quarter with lean protein, and a quarter with whole grains. Choose water over sugary drinks. At least 150 minutes of moderate activity, like brisk walking, per week is recommended. Strength training twice a week can also help.
Mental health and emotional wellbeing
Thinking about diabetes risk can cause worry, stress, or anxiety. It can be tough to make lifestyle changes. Be kind to yourself and remember that small steps count. If you feel overwhelmed, talk to a healthcare professional or a trusted friend.
Prevention
Yes, type 2 diabetes can often be prevented or delayed. Healthy eating, regular activity, weight control, and avoiding tobacco can greatly reduce your risk.
Vaccines
Vaccines are not specifically for diabetes prevention, but staying up to date on recommended vaccines helps avoid infections that can complicate diabetes.
Screening programmes
Screenings for blood sugar are recommended for adults over 40, and earlier for those with risk factors. Talk to your doctor about your personal screening schedule.
Complications
If left untreated
- High blood sugar can damage blood vessels, leading to heart attacks or strokes.
- Kidney disease may develop over time.
- Nerve damage can cause pain, tingling, or numbness in the hands and feet.
- Eye problems, including blindness, are possible.
- Foot ulcers and infections may lead to amputation.
Long-term outlook
The outlook is hopeful. Research shows that lifestyle changes can reduce the risk of type 2 diabetes by more than half. Every healthy choice you make brings you closer to a healthier future. If you do develop diabetes, it can still be managed with the right care and support.
Find support
International organisations
Local organisations
- Diabetes UK ↗ · UK
External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.
Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
Related conditions
Sources and guidance
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 31, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.