I went to see Billy Connolly do two hours with no break at the Apollo, with Parkinson's disease, during the winter, and it was one of the most important gigs I have seen in my life.

I started out as a neurologist. I then trained in neuropathology and was focused on neurodegeneration. So, for years, I studied Alzheimer's, aging, Parkinson's, that kind of thing.

Some genetic variants can be informative about one's risk for Parkinson's disease and Alzheimer's disease.

Traditionally, when you talk to people who have Parkinson's or Alzheimer's, they'll talk about how they're in five or six studies, and they've been sequenced by each study. That's just fat in the system. Just have a single data set that then you can share. You can make the entire system more efficient.

There are environmental threats to health; there are internal threats to health - genetic conditions, viral threats, diseases like cancer and Parkinson's. And then there are societal and global ones, like poverty and lack of nutrition. And unknown viral threats - everything from a new kind of influenza to hemorrhagic fever.

As life expectancy extends beyond 80 years in some parts of the world, more people are struggling with brain diseases. For older people, Alzheimer's, Parkinson's, and other conditions become a major impediment to quality of life.

Coffee is already known to be a preventive factor against mild depression, Parkinson's disease, and colon and rectal cancers.

In a prime-time address, President Bush said he backed limited federal funding for stem cell research. That's right, the President said, this is a quote, the research could help cure brain diseases like Alzheimer's, Parkinson's, and whatever it is I have.

I drink coffee in the morning and a few cups throughout the day. Among coffee's health benefits are lower risk of Parkinson's, Type 2 diabetes, heart disease and dementia.