> I'm almost 50 years old. I started my master's at 50 and finished it 2 1/2 years later. > Your brain has slowed down by a factor of at least 2. My brain ha

> I'm almost 50 years old. I started my master's at 50 and finished it 2 1/2 years later. > Your brain has slowed down by a factor of at least 2. My brain has never been better. I had decades of experience to lean on, and was an unofficial TA in most classes. It was fun and challenging, and only one course gave me any problems due to my lifelong math disability (I love it, it hates me).