HowStuffWorks Videos "Dr. Know: Bar Snacks and Bacteria"

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How Skin Cancer Works (3:16)

Skin cancers are divided into many different fashions. Learn about the types of skin cancer in this HowStuffWorks video.

Brushing Your Teeth Reduces Strokes (1:45)

Watch this video showing how brushing your teeth can reduce the risk of a stroke on HowStuffWorks. Learn about new research showing that brushing your teeth regularly may decrease your risk of stroke and heart disease in this video from... More »

Dr. Drew on Germs (0:42)

Dr. Drew uncovers the truth about germs -- the good, bad and the deadly. Learn more about germs in this video from Discovery.

Dr. Know: Swimming After a Meal (0:28)

Dr. Know debunks the myth about swimming after a meal. Learn more about swimming in this video from Discovery.

Dr. Know: Bar Snacks and Bacteria (1:00)

All those fingers reaching into the bowl of bar peanuts and spreading bacteria -- fact or fiction? Learn more about bar peanuts in this video from Discovery.

Managing Your Health: Weight Control (24:40)

It's fair to say that fat is an American obsession: At least 100 million Americans are overweight, and many others suffer from eating disorders. Learn more about obesity and health in this video.

Skills for Healthy Living: Finding Reliable Information (16:17)

An important part of taking care of your health is knowing where to find reliable health information. Find out how to track down good sources of health-related information by watching this video.