Smoking appears to be the cause of about 36% and obesity the cause of 20% of coronary artery disease. Lack of exercise has been linked to 7â12% of cases. Less common causes include stress-related causes such as job stress, which accounts for about 3% of cases, and chronic high stress levels.
1 You should add 12 ounces of water to your daily total for every 30 minutes that you work out. 2  So if you work out for 45 minutes daily, you would add 18 ounces of water to your daily intake.
Another method you can use to determine how much water you should drink each day is by dividing your weight in pounds by two, according to the Public Broadcasting System. The resulting number is the amount of water in ounces you should drink each day. If you weigh 150 pounds, you should consume at least 75 ounces of water per day. This is a little over nine cups of water daily.