"Researchers at Exeter University analysed fat cells in obese participant’s bodies and found they were starved of oxygen, which triggered inflammation in the fat tissue."

This is why it’s difficult to lose weight if you are obese

"Researchers at Exeter University analysed fat cells in obese participant’s bodies and found they were starved of oxygen, which triggered inflammation in the fat tissue.

As a result, this fat tissue is less able to absorb extra calories from food, causing it to wrap around vital organs including the liver, muscle and heart.

This can then lead to obesity-related health complications such as fatty liver disease and cardiovascular disease, the Mail Online reports."