Nettle tea is also really good for swelling and chronic pain, at least according to my grandfather and his friends that have used it. My grandpa did go to medical school so I tend to trust him, but it was also in the 60s and he calls tattooing and piercings “psychosomatic self flagellation” so take it for what you will.
400x is more than enough to see and differentiate eukaryotic cells so I feel like 50x might be a slight overshot