Body mass index (BMI) and waist circumference
Learn to estimate whether or not you are a healthy weight by calculating your body mass index (BMI) and measuring your waist circumference.
Do you realise how being overweight can affect your wellbeing? Estimate whether your weight is healthy by using the healthdirect BMI calculator to work out your BMI.
Obesity is a term used to describe being overweight. It can lead to symptoms that affect your life. Learn about your BMI, treatment options and prevention.
Obesity in children
Childhood obesity is when a child has too much body fat for their age. There are simple steps you can take to help your child move towards a healthy weight.
How to reduce visceral body fat (hidden fat)
The fat that might be stored deep inside your body can be a danger to your health. This fat is known as visceral fat (or 'hidden' fat). Here's how to find out if you have visceral fat and what you can do about it.
What to do if you are underweight
Being underweight can affect your health adversely. So, it’s important to understand what ‘underweight’ means and how you can gain weight safely if you need to. Learn more here.
Guide to bariatric surgery
Bariatric surgery is the most effective way to lose weight and keep it off in the long term. Learn about the different types of bariatric surgery here.
What causes back pain?
Information on causes of back pain, including activities that can trigger it, factors that increase the risk of developing back pain, and links to resources.
Malnutrition is a serious condition that develops when someone doesn’t have enough nutrients for their body’s needs. Find out here who is at risk of malnutrition.
Obesity at conception linked to pregnancy complications
Women should lose weight before getting pregnant if they're obese or overweight, experts say, as excess weight at conception is linked to pregnancy complications.