When most teas are merely leaves which were dried and nevertheless glimpse like lengthy, dry leaves, oolongs are both rolled into very small balls (pea-sized) or twisted into small spears which unfurl when brewing. Side effects are quite unlikely, but keep in mind that oolong tea consists of caffeine. https://ellioteoyis.shoutmyblog.com/31145433/the-basic-principles-of-what-does-oolong-tea-taste-like