At Home Genotyping

We aren't yet at the stage here everybody has their genetic code sequenced, but it looks like it will be a standard medical tool for people in the future. The main benefits being that you could findout what medical conditions you might have a genetic inclination to get or other physical or dietary traits that knowing about would help you live healthier for longer.

Costs for sequencing are rapidly diminishing and there are now a few companies that offer a similar service, but by using genotyping to rapidly (and much more cheaply) give you access to that kind of information information.

23andMe ($99 to $207)
deCODEME ($500 to $1,100)
Navigenics

It should be noted that even if you do have a genetic marker that suggests you will get heart disease. That just means that you might, there are still many other factors that lead to most conditions.

Sugar Might Be Really Bad For You

Robert Lustig is a Professor of Pediatrics and treats fat kids for obesity. He talks about how the sugar replacement in many sodas (high fructose corn syrup) is worse than drinking a sugared beverage.