For a long time we have been told to beware of the sun-rays and protect ourselves from the impact of sun rays upon our skin. The truth is probably not as bad and simple. Sunlight gives both benefits, and effects harm by exaggerated exposure. The effects of sunlight upon the skin is due to the ultra-violet light. These light rays are generally divided in three kinds according to wavelength, UVA with longest wavelength and lest energy in each light quantum, UVB of shorter wavelength, and UVC of shortest wavelength and highest energy.
The Joys of Walking
The news is out. Research shows time and again that walking, the most natural movement of all to us, is incredibly beneficial in so may areas of our health; physical, mental, and spiritual. Walking lowers cholesterol and blood pressure, burns off surplus pounds, alleviates mild depression, enhances your mood, reduces the effect of stress and more.