How to eat more greens: just add mayonnaise
Rachel Cooke: Seven-a-day has replaced five-a-day. If you can't face a mountain of fruit and veg, here's the answer. It's delicious, if not quite so healthy …
What to eat in the three days before running the London marathon
Athlete and cook Kate Percy offers a foodie guide to the crucial few days leading up to the London marathon and suggests the ideal pre-race supper for the night before and pre-race breakfast
London marathon: the perfect pre-race evening meal – recipe
Rigatoni with butternut squash, pancetta & thyme is a highly nutritious and low GI pasta dish that will fuel you up and supercharge you for the big day
London marathon: the perfect pre-race breakfast – recipe
Porridge with blueberries, toasted walnuts and honey will fire you up for the big day
How a child’s food preferences begin in the womb
Tests have shown that what a woman eats during her pregnancy is easily detectable in her amniotic fluid, and the foetus develops a taste for familiar flavours
The science behind dietary supplements
Dr Spencer Nadolsky: From multivitamins to fish oil, daily pills and powders have become routine for millions around the world. But do we really need to take them?
So now it’s seven a day? Here’s my easy alternative: just stop eating rubbish
Alex Renton: Nanny Britain's fruit and veg regime will never work while the list includes fruitcake and sugar-laden drinks
How do you get your seven-a-day? Share your stories and recipes
We've published some tips on how you can get your seven fruit and veg a day and now it's your turn. Share your pictures and recipes with GuardianWitness
Seven simple ways to get your seven-a-day
Rosie Sykes: From melted onions to ripe tomato dressings and kale in your pesto, here are some great tips to painlessly up your fruit and veg intake
Saturated fat is not good for your heart. But eating a balanced diet is
Jeremy Pearson: This new report says only that saturated fat might not be as damaging as we thought. Healthy eating is still the best way to protect your heart