Test-driven development is related to the test-first programming concepts of extreme programming, begun in 1999, but more recently has created more general interest in its own right.
Here are some tips and suggestions that can make a big improvement to your blood flow and improve blood circulation: Exercise whenever you can to boost your circulation. Get into the habit of finding activities you enjoy doing, as any type of physical activity that gets your blood pumping is good. You can walk, bike, run, swim or do anything else that you like.
The most well known vitamins for circulation are from the B complex group. Livestrong.com explains that these vitamins are most effective when working together in a grouping, with vitamins B6, B12, B1 and B3 all providing some benefit to the circulatory system.