The effort to edit the genes of Chinese twins implies that all our traits are determined by our genes. But changing our diet, environment, lifestyle and microbes may have a greater effect.
Gut microbe metabolites can tell us a lot about our health.
Can you blame bad teeth on your genes? Here's why the answer is not as simple as you might think.
New research reveals why some people use food to soothe their emotions.
A twins study shows that children born via IVF have similar epigenetic changes compared with those born naturally.
Teenagers are heavily influenced by what their friends eat, to the extent that they forget about their parents' cooking.
Smoking causes 96,000 premature deaths a year in the UK. The fact that it protects against Parkinson's disease is not a reason to take up the habit.