Willow bark appears to be effective for back pain. In a well-designed study of nearly 200 people with low back pain, those who received willow bark experienced a significant improvement in pain compared to those who received placebo.
South Korea Table of Contents. Part of the East Asian monsoonal region, South Korea has a temperate climate with four distinct seasons. The movement of air masses from the Asian continent exerts greater influence on South Korea's weather than does air movement from the Pacific Ocean.
South Korea is affected by the Asian monsoon regime, so that in winter, cold air masses from the Asian continent prevail, while in summer, warm and moist air masses from South-Eastern Asia move frequently over the country. In the second part of summer and in early autumn, it can be reached by typhoons.