Yoga. There are a lot of scientific benefits to yoga, it helps improve posture, your quality of sleep, flexibility, reduces inflammation, and helps with chronic pain etc., etc.. However, what we don't see to hear about trying to get into yoga...it's uncomfortable. Uncomfortable poses, yes, but also just filled with uncomfortable moments!
Ask any rational person, preferably not a yogi, and they will tell you the truth. Just like these tweets below.