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Not all canker sores are really canker sores

1 Jul 2017

Sores inside the mouth are commonly called canker sores, but only some of them truly are. Mouth ulcers, these painful spots that seem to crop up randomly, can be caused by two things- local trauma ...

Sulfates in Shampoo

27 Jun 2017

As someone who likes to routinely dye my hair bright pinks, blues and purples, I鈥檓 often told by my hairdresser to use sulfate free shampoos. He often talks to me about how multiple bleachings and...

7 Up: Originally an Antidepressant

17 Jun 2017

When 7 Up was originally placed on the market (In 1929), it was named Bib-Label Lithiated Lemon-Lime Soda-聽a much less catchy, though more descriptive name. The 鈥榣ithiated鈥 in the name came聽from...

Why Do We Have Dimples?

15 Jun 2017

Orlando Bloom might have the nicest dimples around, but glance at his chin and you鈥檒l notice a lack of a dent. Look at Demi Lovato鈥檚 chin though and you鈥檒l see a cleft, almost like an indent there....

Why We Get Caffeine Withdrawal Headaches

13 Jun 2017

Caffeine interacts with a neurotransmitter- adenosine- receptors, inhibiting the functions that adenosine would normally activate- namely, sleepy feelings. One theory behind caffeine withdrawal...

Why Some People Tolerate Spicy Foods Better Than Others

12 Jun 2017

Spicy foods contain a chemical called capsaicin, which activates a receptor found in your mouth and on your tongue called a TRPV1 receptor. There is some variation in the sensitivity of these...

Why is it called upper and lower case?

7 Jun 2017

When you spend hours proofreading and retyping essays, you get to wondering- why do聽we refer to large letters as upper case, and small as lower case? It鈥檚 actually a remnant聽of a past where...

A Leg-Raising Experiment

2 Jun 2017

Bladder cancer in humans has been associated with cigarette smoking. 聽Since dogs can also develop this deadly cancer, they can serve as model for evaluating treatment methods. 聽In a study at the...

MCF-7 Breast Cancer Cell Line

2 Jun 2017

A breast cancer cell line known as MCF-7 is used by researchers around the world. 聽The name comes from the Michigan Cancer Foundation where the cell line was first established in 1973 after...

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