Diet, nutritional information and data

Pictures provided by:

1: BigStock / Steve VanHorn

2.1: BigStock / Kathy Burns-Milyard

2.2: iStock / ac_bnphotos

3: iStock / Robyn Mackenzie

4.1: BigStock / Robyn Mackenzie

4.2: iStock / Lauri Patterson

5: BigStock / Daniel Rajszczak

6: iStock / Morgan Lane Studios

7.1: BigStock / Adrian Hughes

7.2: iStock / Dan Fletcher

8: BigStock / Darleen Stry

9.1: iStock / Foodphoto

9.2: iStock / Rob Belknap

ten: BigStock / ZI Group

11.1: BigStock / Emilia Stasiak

11.2: BigStock / Graça Victoria

12.1: iStock / MBPHOTO Inc.

12.2: BigStock / John Johnson

13.1: BigStock / Ekaterina Ostanina

13.2: BigStock / Jostein Hauge

14.1: iStock / Alena Dvorakova

14.2: iStock / Studio Araminta

15.1: iStock / Kevin Thomas

15.2: BigStock / Edyta Pawlowska

Sources:

NIH, DDS, NIDDK:Just enough for you

The WebMD: Serving size plate

National Institutes of Health:

MyFood-A-Pedia:

Dr Brunilda Nazario, ed. “Slideshow: The 7 Wonders of Water” WebMD.com. July 1, 2009.

MyPyramid.gov

National Institutes of Health:

USDA: Body mass index and health

USDA: Cereal train brochure

USDA: Comments summary report

USDA: Economic research service