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.
Everyone has heard the advice, Drink eight 8-ounce glasses of water a day.. That's about 1.9 liters, which isn't that different from the Institute of Medicine recommendations. Although the 8 by 8 rule isn't supported by hard evidence, it remains popular because it's easy to remember.