This type training is a good way for athletes to stay in shape during the off-season due to its high Intensity.
sport-specific
kettlebell
circuit
functional

Hey would employ people

Vitamin d for sure for american adults

This is first hand knowledge, top-level athletes, successful business people and achievers in all fields all  set goals. setting  goals  gives you long-term vision and short-term motivation . it focuses your acquisition of knowledge, and you to organize your time and your resources so that you can make the very most of your life.

Ithink he first one is the best answer