Japan Develops Low-Pollen Trees to Address Hay Fever

“More than 40% of the population in Japan suffers from hay fever, or kafunsho, an annual affliction. The majority of Japan’s hay fever sufferers are allergic to the pollen of two trees — sugi and hinoki. Both trees were widely planted in the years following World War II as a much-needed source of timber. In […] The post Japan Develops Low-Pollen Trees to Address Hay Fever appeared first on Human Progress.