Varicose veins are most commonly found on the legs of women and men who spend a lot of time on their feet. Birth control pills, hormone therapy, obesity, weight fluctuation, and constipation can also add to the development of varicose veins.

Any hurricane is a major event, particularly for a developing economy with poor housing and low incomes. In the hurricane stakes Belize has been relatively fortunate, with only six major hurricanes hitting the country this century (check this out at www.ncoa.com) which compares very favourably with our neighbor Mexico to the north, or mainland United States where hurricanes are an annual occurance. See similar questions...

This is a natural process. If it occurs more often, with equal or bigger icebergs, perhaps then we can say more about what is causing this that isn't the natural part of the hydrological cycle, which is for snow to fall over Antarctica, and the continually forming icecap to slowly increase, move out to sea, and calve off icebergs. See similar questions...

There are certain conditions in the urine including those caused by not drinking enough water, that make crystals which can tribute to stone formation. Some patients form stone because of anatomical malformations of the urinary tract, while other patient may have a genetic predisposition, environmental or nutritional risk factors. See similar questions...

Influenza pandemics are known to have occurred several times each century since the Middle Ages. There were three influenza pandemics in the 20th century, in 1918, 1957 and 1968. Experts believe we are overdue for the next influenza pandemic. No one can predict when a pandemic might occur, but many scientists from around the world are watching the H5N1 avian (bird) influenza situation in Asia and Europe very closely. See similar questions...

Herpes symptoms come and go, but the virus will remain in your body for life. Some people may never show symptoms, some may only show symptoms once or twice in their lives, and others may have symptoms many times each year. See similar questions...

During laparoscopic radical prostatectomy the entire prostate gland and seminal vesicles are removed. Once they are removed, the bladder is reattached to the urethra. If cancer has spread to the lymph nodes close to the prostate, these may also be removed by laparoscopy during surgery. This lymph node dissection is not necessary and thus is only performed on patients at high risk for metastasis (spread) of prostate cancer. See similar questions...

People are exposed to small amounts of radiation every day, both from naturally occurring sources (such as elements in the soil or cosmic rays from the sun), and man-made sources. Man-made sources include some electronic equipment (such as microwave ovens and television sets), medical sources (such as x-rays, certain diagnostic tests, and treatments), and from nuclear weapons testing. See similar questions...

Hurricanes are products of the interaction between the tropical ocean and the atmosphere. They are powered by heat energy from the sea and are steered by the easterly trade winds and the temperate westerlies as well as by their own energy. Around its core, winds grow with great velocity, generating violent seas. Moving ashore, they sweep the ocean inward while spawning tornadoes and producing torrential rains and floods. See similar questions...

Where they occur. Typhoons are tropical cyclones west of the International Date Line in the Pacific Ocean, hurricanes east of the Date Line. They're call Cyclones in the Indian Ocean. See similar questions...

What are the frequently questions on where to locate weather data? [  current weather, research data, CD-ROM discs and web sources]. See similar questions...