Body Mass Index (BMI) is widely used by doctors and health experts to determine whether a person is underweight, healthy or overweight. Because BMI looks at the relationship between your weight and height.
For weight loss to be effective you need to know where you start – and how much you plan to lose. That’s where our handy BMI Calculator comes in. It lets you work out your current Body Mass Index – so you can set yourself a realistic target weight. Generally experts classify people with a BMI of below 18.5 as underweight; 18.5 to 25 as healthy, 25 to 30 as overweight and over 30 as obese.
Some people are naturally slim, but being underweight from poor nutrition or because of an illness could pose serious health risks. Tiredness, reduced immunity, anaemia, vitamin deficiencies and infertility are some of the illnesses associated with being underweight. People within this category shouldn’t start any weight loss programme.
According to BMI guidelines, if a person’s BMI falls between 18.5 and 25 the/she is in a healthy weight range. To maintain a healthy weight, they should include plenty of fresh fruit, vegetables and enough vitamins and minerals in their daily diet.
Carrying extra weight can put people at risk of health issues.
According to BMI guidelines, a person with a BMI over 30 is classified as obese. People within this category are at an increased risk of health issues. We recommend persons in this category to consult a doctor or a healthcare professional before starting any weight loss programme.
The BMI is a useful measurement for most people over 18. However there are some limitations to be aware of as it may be influenced by age, gender and ethnicity.
Speak to your doctor or health care professional about your weight.
If you’re pregnant, the BMI does not apply. You should seek advice from your healthcare professional on what a healthy weight is.
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