How many calories do you have to take away to lose one pound? what are some of the dangers of taking pharmaceutical and herbal preparations to lose weight? list five different strategies that are effective in promoting weight loss.

1. 3,500

2. Certain pharmaceutical and herbal preparations can induce the loss of fluid in the body in a process called the diuretic effect. This not only causes a loss of water but will also result in the loss of minerals, such as magnesium and potassium, which can lead to increased blood pressure, irregular heartbeat, and kidney failure.

3. Any five of the following: Use low-fat cooking methods; avoid extreme calorie restrictions; eat at least 1,200 calories per day; lose weight slowly, only 1 or 2 pounds per week; select a diet that fits your lifestyle and food preferences; exercise at least 30 minutes most days; be realistic; weigh yourself once a week at most; reward yourself with something other than food.

which of what? i am confused