Key points from article :
More than 40% of adults in England have gained weight during the pandemic, with the average gain being half a stone (just over 3kg).
Public Health England (PHE) says lockdowns and disrupted daily routines have made it challenging for people to eat healthy and keep fit.
Snacking and comfort eating were given as the main contributor.
PHE's Better Health campaign offers free support and guidance on how to lose excess weight and become active using a 12-week plan.
Fat can also build up around vital organs, making it harder for the body to fight against diseases.
A study from the Institute for Fiscal Studies found a large increase in calories from takeaways.
Small, simple changes to diet and lifestyle can help shed excess pounds.
"Visit the Better Health website for ideas and seek support from your local weight-management service," says Alison Tedstone, PHE chief nutritionist.
Better Health has partnered with Slimming World, Weight Watchers and Noom, providing free or discounted offers.