Cortisol throws your hormonal balance out of whack. Beyond your hormones, high cortisol levels weaken your immune system, put you at risk for diabetes and contribute to obesity. High cortisol is also tied to mood problems and, of course, anxiety. Bust it with a simple amino acid…

This could be the first step toward lucid dreaming. And, believe it or not, lucid dreaming has a bunch of potential benefits. People have used lucid dreaming to overcome nightmares, treat phobias, practice creative problem solving, refine motor skills and even recover from physical trauma.

Many people supplement this hormone when they experience sleep problems. But research has now shown us that we should be taking melatonin even if we’re sleeping well. Because, if you start taking it soon enough, you may just be able to fend off Alzheimer’s disease…

Blood flow helps transport nutrients and oxygen to organs while removing waste and toxins. Without good blood flow, health can come to a grinding halt. There are a number of specific foods, herbs and supplements that can support circulation and promote your cardiovascular health.

When there’s a shortage of this important vitamin, the neurotransmitters serotonin and dopamine are suppressed. One is linked to the brain’s pleasure centers, while the other regulates mood. The result is a chemical imbalance that could lead to paranoia, delusions and hallucinations.

Chances are, your blood vessels are showing the wear and tear of age, increasing your risk of stroke and heart attack. If only you had a time machine… No worries. Researchers may have uncovered a simple way to knock 15 to 20 years off those aging blood vessels.