I honestly think my issues with intermittent low blood pressure, blurry vision and fatigue are related to some level of dehydration. I find it difficult to drink water in the winter---and the air has been super dry this past month plus (although we always keep a pot of water on our woodstove and humidifiers in all the bedrooms. I can easily drink a lot of rooibos tea---but I'm thinking that this perhaps isnt hydrating me...would rooibos have the same diuretic effect as regular tea?? This is all most noticeable on days I'm lap swimming. Help me hydrate??