You need the Flash Player version 8.0.0.0 or higher and a JavaScript enabled browser to view this site

Not Getting Enough Sun Can Be Harmful

Related Article: Click here to read full article

We often associate getting too much sun with getting cancer. But, is not getting enough sun even more harmful? A new study reveals a surprising relationship between sunlight, vitamin D, and cancer.

Source:

ScienCentral

browse videos in
skin

HowStuffWorks.com Videos: Skin MRSS Feed

How Sunburns Work (0:58)

Sunburns can be painful, and that's why physicians recommend using sunscreen to prevent sunburn from overexposure to the UV radiation of the sun. See how sunburn and sunscreen work in this HowStuffWorks video.

Light Therapy Good For Skin (1:21)

Watch this video showing how light therapy can be good for battling skin-related conditions on HowStuffWorks. Learn how light therapy works and how it can help to treat certain skin conditions, in moderation. Video courtesy of MultiVu.

Sun and Skin (1:26)

Watch this video about the sun and our skin on HowStuffWorks. Researchers have found that Vitamin D created in the skin can trigger an immune response in the skin itself. Learn how human skin works in this video from ScienCentral.

Not Getting Enough Sun Can Be Harmful (1:32)

We often associate getting too much sun with getting cancer. But, is not getting enough sun even more harmful? A new study reveals a surprising relationship between sunlight, vitamin D, and cancer.

Organ Systems: The Integumentary System (0:27)

The integumentary system creates a boundary between the human body and the outside world.

recently added

Why Tell Me Why: Why Skin Color Varies (2:17)

Why do differences in skin pigmentation exist? Discover the evolutionary origins of skin color in this video.

Assignment Discovery: Growing Skin (2:59)

On Discovery Channel's "Assignment Discovery," learn about growing skin cells and how to create new skin graphs for burn victims.

Systems of the Human Body: Ten Systems of the Body (2:53)

The clip gives a brief introduction to the ten body systems, as well as the skin.

Human Body: The Skin (1:59)

The skin's thin outer layer of cells is epidermis, and its thick inner layer is the dermis, which contains blood vessels, nerve cells, sweat and sebaceous glands, hair and hair follicles.

Health: Healthy Skin (3:32)

Skin is the largest organ of the body and constantly renews itself. Skin protects the body from many things, but can be damaged by the sun. Skin has a mechanism for repairing itself.

Organ Systems: The Integumentary System (0:27)

The integumentary system creates a boundary between the human body and the outside world.

How Sunburns Work (0:58)

Sunburns can be painful, and that's why physicians recommend using sunscreen to prevent sunburn from overexposure to the UV radiation of the sun. See how sunburn and sunscreen work in this HowStuffWorks video.