Essential oils are a popular holistic. ... But as Hynicka points out, it's tough to fake a placebo for essential oils: "Either you smell an essential oil, or you don’t." ...

Research has found that peppermint, lavender and tea tree oils can help treat certain health conditions. The claims behind others, such as citronella and rose, are lacking in evidence.

When you incorporate essential oils liked lavender oil and bergamot oil into your routine, ... about 31% of adults in the US will have an anxiety disorder at some point in their lives.