How Vegetarians Work

Dr. Know debunks the myth that eating carrots will improve your vision. Learn more about vitamin A in this video from Discovery.

• More Discovery Health Videos
• 

Watch this video from TED featuring Dr. Dean Ornish on HowStuffWorks. Dr. Ornish tracks the dramatic rise of obesity, diabetes and cardiovascular disease across the globe. See how obesity works in this video from TED (www.ted.com).

• More TED Conferences Videos
• 

Watch this video about gaining weight on HowStuffWorks. While a hearty meal may temporarily shake the winter doldrums, "comfort foods" are often laden with calories leading to an undesirable cold weather phenomenon: weight gain. But a simple switch... More »

• More MultiVu Videos
• 

Watch this video about nutrition on HowStuffWorks. National Nutrition Month(R) is a nutrition education and information campaign sponsored annually by the American Dietetic Association. The campaign is designed to focus attention on the importance... More »

• More MultiVu Videos
• 

Many people are realizing the benefits of vegetarianism and giving up meat for good! Learn more about vegetarianism in this HowStuffWorks video.

• More HowStuffWorks Videos
• 

While vegetarians may still eat some animal products, vegans go a step furthe. Learn more about vegans and veganism in this HowStuffWorks video.

• More HowStuffWorks Videos
• 

In their new book, "You: On A Diet," Dr. Mehmet Oz and Dr. Michael Roizen guide readers to a better understanding of the science of nutrition. Learn more about healthy lifestyle habits in this video from Discovery.

• More Discovery Health Videos
• 

What are the odds you will become overweight? Learn more about odds in this video.

• More Science Channel Videos
•