Archive for January, 2008
« Previous EntriesChinese New Year
Tuesday, January 29th, 2008The Pussy Willow is a symbol of peace and harmony. I love the furry flowers when they are opened.
In another week’s time will be Chinese New Year. I have not started spring cleaning! My house is so messy! I ought to stop work soon and start working on my house.
In […]
Preventing Photoaging
Friday, January 25th, 2008The skin is the largest organ of the body, weighing about four kilograms and covering about two square metres. The skin consists of several layers, each of which has a specific function. Specialised cells, called melanocytes, in the base of the epidermis, produce melanin, a UV-absorbing pigment that gives us a tan. […]
Causes of Photoaging
Thursday, January 24th, 2008UV radiation readily penetrates the skin and damages molecules, especially DNA in the cell nuclei, which is important for cell function. This DNA damage is largely repaired, but some persistent abnormalities remain. These abnormalities may then gradually accumulate, leading slowly to skin photoaging or even eventually to skin cancer.
Approximately 5% of the […]
Photoaging
Wednesday, January 23rd, 2008Claude Monet’s Painting
Sunlight is so-called electromagnetic radiation — energy of many different wavelengths emitted by the sun; it travels through space at the enormous speed of 186000 miles per second. Such energy provides us with the heat and light we need, as well as delivering damaging ultraviolet(UV) rays.
The way in which the sun’s radiation […]
Skin Tanning And Thickening
Tuesday, January 22nd, 2008Khalil Gibran Painting
What is Sunlight: In addition to UV, visible and infrared radiation(heat), sunlight is composed of a host of other solar rays, such as cosmic rays, gamma rays, x-rays and radiofrequency radiation, but these are present in too small quantities at the surface of the Earth, or are of too low energy, to affect […]
