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Compare these four food analyzer apps to see which one is the right fit for you and your health goals!

Are you counting sheep at night? Or watching television hoping your eyelids will grow heavy and you will blissfully drift off to sleep? If you're struggling to get enough rest it's time to get back to basics: relax, create a bedtime ritual, move your body during the day. These and other tips from Health By Principle will help you sleep at night.

It's flu season time, and it's time to get prepared. Typically, people go for their flu shots and try other remedies to keep them protected. Promising new research has come out showing that vitamin D may be another effective way to prevent getting flu symptoms.

Vitamins D2 and D3 are essential for the absorption of calcium in your gut, which aids bone growth and your immune and neuromuscular systems. Nearly half the US population is deficient in vitamin D, but too much can be dangerous. Learn more about IUs and bioavailability to select the best vitamin D supplement.

Pee has historically been known to provide exceptional insight into overall health. What does your urine actually tell you? Quite a lot, it turns out: from hydration, medication, and illness, your pee changes with your body. 

Our bodies are mostly water, and need consistent hydration to be at their best! What are the signs of dehydration and how do we avoid it?