According to the Skin Cancer Foundation, everyone older than six months should use sunscreen every day to decrease the risk of skin cancer. But today’s sunblock is full of ingredients that are decades old and increasingly obsolete. Dr....

In the 1980s, the world faced a huge problem: there was a rapidly expanding hole in the ozone layer. If it continued to grow, rates of skin cancer could skyrocket, photosynthesis would be impaired, agricultural production would plummet,...

In one of the great environmental success stories of our time, scientists say that a 35-year-old agreement has resulted in the steady and promising recovery of the Earth's ozone layer, a critical protective shield that blocks harmful...

Seasonal illnesses from infectious diseases aren’t a new concept, but a few decades ago public health experts began to notice the same behavior in some non-infectious diseases like breast cancer. These patterns have helped us learn a lot...

If you've ever spent too much time in the sun and forgotten to put on sunscreen, you know how painful a sunburn can be. But for some animals, forgetting the sunscreen wouldn't be a problem because they can just produce their own!

SPF seems pretty simple. Find a high number, rub some on your nose, and you're ready for some sunshine. Unfortunately the science behind it is a little more complicated.

Join the Amoeba Sisters on this introduction to the Integumentary System! This video first introduces the important functions of this system. Then, this video takes a general tour through the epidermis (and each stratum of the...

Since the widespread use of antibiotics began in the 1940s, we've tried to develop new drugs faster than bacteria can evolve -- but this strategy isn't working. Drug-resistant bacteria known as superbugs killed nearly 700,000 people last...

Our bodies get Vitamin D from the sun, but as dermatologist Richard Weller suggests, sunlight may confer another surprising benefit too. New research by his team shows that nitric oxide, a chemical transmitter stored in huge reserves in...

Summer, Fall, Winter, Spring. Every new season brings new...diseases.

With a greater understanding of biological mechanisms, humans may be able to take a devastating birth defect and turn it into a treatment for cancer.

People have a lot of ideas about how they can protect themselves from the sun’s ultraviolet radiation, but many of those ideas just don’t hold up, and some make things worse!

Howcast - Learn how to prevent skin cancer from dermatologist Elissa Lunder in this Howcast skin care video.

Howcast -Your skin is your body's largest organ. Protect and maintain your skin and show off a healthy and natural glow.

Howcast - Most dermatologists recommend examining your skin once a month to become familiar with what it looks like normally—so you'll be able to recognize something that's abnormal. And since skin cancer is curable if caught in an early...

What would you do if your doctor revealed you have cancer? Would your outlook on life change? It did for Megan Sullivan.



Megan loves to travel. She had been putting off a major trip, visiting the 7 wonders of the...

The heart is practically immune to getting cancer. 2 in 100,000 of those who have cancer are those with a primary cancer of the heart. That is an astonishing low number. So, what is so special about the heart that it rarely, if ever,...

Electromagnetic radiation in the region of the spectrum between visible light and x-rays, about ten to 400 nanometres in wavelength.
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Key scientific terms defined in just 60 seconds...

The Nanotechnology Center at Hong Kong Polytechnic University has developed a groundbreaking UV absorber for fabrics that provides exceptional protection against harmful UVB rays. This innovative product continues to work even after...

Unfortunately, tens of thousands of people die from Melanoma every year. It’s the least common of the skin cancers, but the most deadly. We show you how to avoid Melanoma by covering up and having any suspicious moles checked by a doctor.

UV light and human skin just don’t mix, and can lead to Sunburn, sun-stroke, and the much more serious consequence – skin cancer, or melanoma. T

The news for those addicted to the tan they get from a solarium, or Tanning bed, is not good.

We also look at the dangers of UV exposure,

In this video, Jonathan from the Institute of Human Anatomy discuss the anatomy of skin pigmentation, and how it can vary across the body.