If You Smell This, Your Risk of Seizures May Be High, New Study Says By Zachary Mack of Best Life | If You Smell This, Your Risk of Seizures May Be High, New Study Says Whether it's turning on a diffuser or lighting scented candles, aromatherapy is a popular daily ritual that many use to unwind or relax. But it turns out that certain scents might trigger a medical emergency. That's because a new study from India has found that the smell of certain widely used products could increase your risk of having a seizure. Read on to see what you should be aware of the next time you're shopping for scents, and for more odor-related warnings, If Your Breath Smells Like This, Get Your Liver Checked, Experts Say.