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?
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
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
For years they have been blamed for increasing our risk of heart disease, but now it appears that they may not be quite as bad for us as we once thought
Joanna Blythman: Eggs and red meat have both been on the nutritional hit list – but after a major study last week dismissed a link between fats and heart disease, is it time for a complete rethink?