Gynaecomastia is rare, and there is often no obvious cause. But there have been a number of cases linked to use of these essential oils. The American study found that key chemicals in the oils ...

Seed oils are used in a lot of packaged and processed food. It's not that omega-6 is bad for you; it's that Americans tend to eat too much of it. "Omega-6 is an essential fatty acid. You've got to ...