Table 2 Lifestyle factors assessed in the survey

Caffeine

Alcohol

 Beer

 White wine

 Red wine

 Liquor

Smoking

Vitamins

 Prenatal vitamin

 Multivitamin

 Zinc

 Vitamin E

 Vitamin C

 Vitamin B6

 Vitamin D

 Chinese herbal medicine

 Dehydroepiandrosterone

Over-the-counter medications

 Baby aspirin

 Ibuprofen

 Acetaminophen

 Cold/allergy medicine

Food/Diet

 Regular diet

 Low-fat diet

 Low-carbohydrate diet

 Organic diet

 Vegetarian diet

 High protein diet

 Increase in fruits and vegetables

 Full-fat milk or dairy products

Artificial Sweeteners

Stress^a

Attitude^a

 Negative

 Positive

Body weight^a

 Normal

 Underweight

 Overweight

 Obese

Exercise^a

Yoga^a

Acupuncture^a

Rest^a

Prayer^a

Cell phone use^a

Environment^a

 Exposure to plastics