I use a version of this, it’s based on the neti pot from india. Completely natural technique and does more than clearing our your sinus. It also stops any post nasal drip, Globus (lump in the throat) and can help with snoring.
I use flo sinus flush
I’m late 30s. I’ve slowed down a lot since my 20s. Reflexes aren’t anywhere near as sharp, I use to have very quick hands and reflexes. As far as memory, I’m still good at remembering things that I care about but it’s far from the steel trap it use to be. For stuff that’s not things that I care about I have to write it down, I’m still pretty good but I forget stuff now.
Just steal the image and put the source in the body text. That way you’re not redirecting everyone to reddit. Sort of defeats the purpose of the protests.
Audiobooks with earphones? There’s wispersync so your progress matches across devices. It’s also much cheaper to buy an audiobook if you have the epub/mobi/kindle version