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3 strange things that are actually normal during menstruation and 5 that indicate somethings wrong
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What's normal and what should alarm you? Make sure you understand what your body is saying. - photo by Amberlee Lovell
Do you remember your first period? Even if youd already been warned it was coming, it was still kind of crazy that it's normal to let yourself bleed for a few days.

Yet as women we come to accept that once a month we will bleed for a few days and life must carry on as normal. But what if what you think is normal is actually a sign something is off? Here are a few things some women worry about (and things they dont need to), and other symptoms women ignore (but should pay more attention to).

These things are normal during a period:

1. Seeing blood clots

Clots usually appear during the heaviest part of your flow, and you dont need to worry about these clots unless they are larger than a quarter, according to WebMD.

2. Getting your period every 21 to 35 days

Youve probably heard 28 days is normal for a period, and it is for some women. Your cycle can range anywhere from 21 to 35 days, so just because it doesnt fit the 28-day average, dont fret.

And if youre one of those lucky women who has it come every 35 days instead of every 21, count yourself blessed.

3. Infrequent periods as a teenager

It takes a bit for your body to figure out your whole menstrual cycle thing, so you may not have the most regular periods a few years after you start thats OK.

These signs are abnormal:

1. Severe cramping

Cramping is normal for women on their period, but if your cramps make it impossible to leave your bed, your body could be crying for help.

If you suddenly have intense menstrual cramps when you used to have light cramps, this could be an indicator you have endometriosis.

Endometriosis happens when the uterus lining is outside of the uterus and connected to things like your fallopian tubes, bladder and ovaries. It usually creates a lot of pain and can affect your fertility.

2. Missing three periods in a row

If you havent had a period for more than 90 days (or three months), this is considered abnormal, according to the Cleveland Clinic. (Unless of course you started your period for the first time recently, are pregnant, breastfeeding, or going through menopause.)

There could be a lot of explanations for your period stopping. It ranges anywhere from gaining or losing a lot of weight to going off of birth control or having uterine or cervical cancer. If youre period has stopped, be sure to visit your doctor.

3. Bleeding for longer than seven days

On average, a period lasts about five days, although some women only bleed for one or two. If your period plows through eight days or longer, its time for a check up.

4. Bleeding in between periods

Vaginal bleeding that happens when you arent on your period could come from a lot of different issues with your reproductive system, according to Mayo Clinic. Track your period so youre aware of when bleeding is normal and when it is a concern.

5. Difficulty or pain while peeing

This is one of the symptoms for cervical cancer, which research recently discovered is even more deadly than previously believed. Cervical cancer causes the cervix to swell, which compresses your bladder. As a result, you might have a lot of pain or a hard time emptying your bladder.

Your body knows when something is wrong and tries to alert you with certain symptoms. Dont ignore these. If caught early enough, many of these symptoms can be treated without any fatal results.
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.