Here are 8 ways eating walnuts regularly will impact your body.

This hormone may also activate vitamin D to improve the absorption of calcium in the intestines ... "They sometimes also test for vitamin D and parathyroid hormone," the doctor tells Best Life.

An investigation on tiny worms has discovered that a common nutrient may protect against Alzheimer's disease and early death.

Looking for ways to slow down aging? Learn about the 25 foods that science suggests might help you age gracefully.

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