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.
Korea's temperate climate means changing weather throughout the year, so pack plenty of layers for your visit. Mainland Korea has four distinct seasons akin to the northeastern United States, with the coldest months lasting from December to March and the warmest months falling between June and August.