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.
The rule of thumb is take your body weight, divide it by 2 (cut it in half), and that's how many ounces of water you should be drinking every day -- if you're active, you need to drink more. In your case, you need to drink about 92 ounces of water every day. That's a little more than 5 16-ounce glasses of water.