Biotech company NeOnc is in clinical trials with products designed to break through the blood-brain barrier that normally inhibits cancer drugs from getting to their targets.

The Sparrow Ascent wearable ear device activates areas of the brain that release endorphins.

Nutraceutical company says rebalancing cortisol can help alleviate anxiety, exhaustion, exacerbated menopausal symptoms and low testosterone.

One rule: Don't "include audio or visual elements.... likely to interfere with comprehension" of risk information.