Whoa. There's an advance online publication on Nature Medicine that says Viagra can prevent and reverse cardiac hypertrophy in mice. But guys, don't get your hopes up yet. I have to read the paper first and I'll get back to you--maybe sometime tomorrow.
Can you think better when you're typing? I'd have to say it's about 50/50 in writing vs. typing. I'm old enough to say that I've been taught sans computer. I still take notes by hand and not laptop when I'm in a lecture hall.