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10 things you didn't know about your period
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What do you actually know about that time of the month? - photo by Melinda Fox
Being on the rag. Surfing the crimson wave. Aunt Flo's monthly visit. Shark week.

We like to avoid saying its name, or even talking about it. That's reasonable; it's painful and more than a little bit gross. But although it may be a painful part of life, your period is natural, and talking about it doesn't have to be taboo.

So let's talk about it. Here's a list of some things you've probably never heard about periods.

Your period costs $18,171

Huffington Post added up the cost of tampons, Midol, new underwear, etc. to come up with nearly 20 grand over a lifetime of being a woman.

Period synching may be a myth

Many women claim that living with other women causes their periods to follow the same schedule. While a study in the 1970s proved this to be true, scientists since have found fault with the methodology. It seems like science has yet to get on board with the theory of period syncing.

Your period makes you a shopaholic

According to a study at Hertfordshire University, the later you are in your menstrual cycle, the more likely you are to overspend. Impulsive and excessive spending is a way of coping with stress or depression for many women at this stage of their cycle.

You will use 9,210 tampons over a lifetime

70% of women chose tampons over other options such as maxi pads and the average woman uses nearly 10,000 tampons over a lifetime. That's kind of a lot.

Cramps are not always normal

If your cramps worsen, disturb your daily activities regularly, or if you're older than 25, they could be causing endometriosis or uterine fibroids. If this could be you, see a doctor. Treating these issues can relieve your pain.

You lose only a few tablespoons of blood

Sometimes you may feel like you need a blood transfusion around that time of the month but most people lose only 2-3 tablespoons of blood during their period.

Periods were blue until 2011

Until recently, advertisements for maxi pads and tampons only used blue to symbolize the period. This was meant to sterilize the idea of periods. However, in 2011, Always released a campaign with a small red dot. Although this was only 4 years ago, it was the first time red was shown in an advertisement for menstruation products.

The average age of first period is 12

Girls get their period at younger and younger ages. Today, the average age for American girls to start their period is 12.

TSS can affect men, children, and post-menopausal women

While Toxic Shock Syndrome is commonly associated with tampons, it can also be caused by skin wounds and surgery. Either way, there's no need to worry TSS is not very common anymore.

Menstruating women are shunned

In some countries, like Nepal, women are shunned while menstruating because they are considered unclean. They can't eat anything other than boiled rice, are prohibited from touching other people, and are forced to sleep outdoors or in sheds which offer little protection from mosquitos, snakes and rapists.
Its toxic: New study says blue light from tech devices can speed up blindness
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A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers. - photo by Herb Scribner
It turns out checking Twitter or Facebook before bed is bad for your health.

A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers.

That process can lead to age-related macular degeneration, which is a leading cause of blindness in the United States, according to the researchs extract.

Blue light is a common issue for many modern Americans. Blue light is emitted from screens, most notably at night, causing sleep loss, eye strain and a number of other issues.

Dr. Ajith Karunarathne, assistant professor in the UT Department of Chemistry and Biochemistry, said our constant exposure to blue light cant be blocked by the lens or cornea.

"It's no secret that blue light harms our vision by damaging the eye's retina. Our experiments explain how this happens, and we hope this leads to therapies that slow macular degeneration, such as a new kind of eye drop, he said.

Macular degeneration is an incurable eye disease that often affects those in their 50s or 60s. It occurs after the death of photoreceptor cells in the retina. Those cells need retinal to sense light and help signal the brain.

The research team found blue light exposure created poisonous chemical molecules that killed photoreceptor cells

"It's toxic. If you shine blue light on retinal, the retinal kills photoreceptor cells as the signaling molecule on the membrane dissolves," said Kasun Ratnayake, a Ph.D. student researcher working in Karunarathne's cellular photo chemistry group. "Photoreceptor cells do not regenerate in the eye. When they're dead, they're dead for good."

However, the researchers found a molecule called alpha-tocopherol, which comes from Vitamin E, can help prevent cell death, according to Futurism.

The researchers plan to review how light from TVs, cellphones and tablet screens affect the eyes as well.

"If you look at the amount of light coming out of your cellphone, it's not great but it seems tolerable," said Dr. John Payton, visiting assistant professor in the UT Department of Chemistry and Biochemistry. "Some cellphone companies are adding blue-light filters to the screens, and I think that is a good idea."

Indeed, Apple released a Night Shift mode two years ago to help quell blue lights strain on the eyes, according to The Verge. The screen will dim into a warmer, orange light that will cause less stress on the eyes.