健康信息门户网站Wellsphere是一家提供个人健康知识的医疗信息平台，通过专业人员的解答和对健康信息的整理，帮助用户了解和学习健康知识。

　　Wellsphere is a free online community where regular people, enthusiasts and professionals can connect, inspire and educate each other about health, fitness and well-being.