A standard coffee has between 80 and 100 milligrams of caffeine. In comparison, a can of normal coke or a cup of hot or iced tea may have around 30 to 50mg. And a decaffeinated coffee, a hot chocolate or chocolate milk or a square of dark chocolate may have about five milligrams.
The dose can also be affected by how you consume it. A lighter coffee roast is higher in caffeine and adding milk or sugar to a caffeine drink slows its emptying from the stomach so that it’s absorbed more slowly.
Caffeine raises blood pressure by constricting the blood vessels, but only for a short while. It does increase calcium loss, but this occurs at significant levels only when intake is more than two to four cups of coffee a day and possibly only in people who already have. The effects on bone health is controversial,
Good news research is showing some interesting health benefits…SEE PART 3 TOMORROW