I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
The technique in having a flat stomach or not getting bloated is in choosing what you eat. You only have to eat food that are rich in fiber and drink water as much as your body need. You also have to limit food that are rich in sodium, most likely these are the salty food that you eat.
The answer is Canada :) Hockey originated in Montreal, Canada
The durable power of attorney can outweigh the guidelines in a living will. False.
