The natural world functions very well on its own. Left to their own devices, members of the tens of millions of species on our planet thrive and prosper without relying on outside agencies. In order to grow abundantly, plants consume carbon dioxide, water, and nutrients from the soil. Likewise, herbivorous

What does the future hold in store? None of us can know with certainty, although some predictions are possible. Stock market indexes will rise. Then they'll fall. Then everyone will hope that the indexes will rise again. Hemlines will fall. Then they'll rise. Then in two or three years they'll fall again. The

Many of us think of depression as a psychological condition. The causes of depression are sought in the person's childhood or in her personal circumstances as an adult. But within the last 10 or 20 years depression is increasingly being evaluated within a physiological context. Various disease states

Plato's Ideas were perfect templates, of which everything we perceive are tangible representations. But the Ideas were not to be found in the world around us. Rather, they were conceptions of rational thought, transcendental objects of knowledge existing in a realm beyond our own. And yet, Plato's Ideas

Cross-training refers to a combination of different methods of exercise. Specifically, cross-training refers to the combination of strength training and cardiovascular training in your overall exercise program. Whether you're a 14-year-old just starting out on your first fitness program, or whether you're

Many people experience radiating pain as a component of neck pain or low back pain. A person with neck pain might have pain that radiates down her arm, possibly into the hand.1 A person with low back pain might have accompanying leg pain, possibly traveling into the foot. Such arm/hand pain or leg/foot