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Can Stress Really Cause Hair Loss?

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People have long been known to willfully pull out their own hair owing to anxiety, but it’s widely believed that chronic stress can cause inadvertent hair loss as well. Although androgenic alopecia, better known as male/female pattern baldness, is the primary culprit for shedding in most, physiological changes spurred by frequent, intense stressors can also lead to clogged shower drains.

To understand how stress can make our hair fall out, we have to look into how hair grows to begin with. The life cycle of a hair plays out in three stages. The first of these, anagen, accounts for 90 percent of our hair and is the active phase in the process, during which cells in the follicle root divide and form a fledgling hair. This new hair continues to grow and pushes the old hair above it (known as a club hair) up the follicle and out. The new hair will grow at about half an inch per month during this phase, which lasts anywhere from 2 to 6 years.

When the next stage, catagen, kicks in, the hair has stopped growing and it enters a 2 to 3 week transitional phase where it becomes a club hair. At any one time, 3 percent of our hair is in this phase. Here the root sheath in the follicle shrinks and attaches to the base of the hair. As the hair is no longer attached to a blood supply, it stops growing and enters the next phase, telogen. Some 8 percent of our hair is typically in this stage, at rest. Hairs hang out here for about three months, and are then shed in the course of normal daily activity. (A shed hair in telogen will have a telltale hard, white bulb at the root, which means it has lived a normal life.)

Bad Hair Days

In tracing stress-related hair loss, telogen is the key phase. When someone is faced with a powerful stressor, like divorce or illness, or goes through a life-changing event, like childbirth, the body can inexplicably trigger much of their hair to enter this resting period, causing it to fall out pretty much all at once a few months later. Known as telogen effluvium, doctors believe it’s simply the body’s way of taking a time-out while larger problems, be it recovery or coping, are addressed. So, a relentlessly trying week at work won’t cause you to lose your hair, but a relentlessly difficult year might. Luckily, once the stressor is addressed or eliminated, the growth process will often regain its normal rhythm and the hair lost during the stress event will come back, though it can take up to nine months.

Some of the physiological stressors commonly linked to hair loss include rapid weight loss/gain, caloric deficiency, and, in women, hormone fluctuations following childbirth or switching/stopping oral contraceptives. Even though physiological change is the underlying cause of stress-related hair loss, added emotional stress can exacerbate the effects, leading to a more pronounced bout of shedding. As we age, the growing cycle slows like most other body processes, so periods of stress during middle age and later in life can make it that much harder for the hair to fully recover.

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Big Questions
Who Was Chuck Taylor?
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From Betty Crocker to Tommy Bahama, plenty of popular labels are "named" after fake people. But one product with a bona fide backstory to its moniker is Converse's Chuck Taylor All-Star sneakers. The durable gym shoes are beloved by everyone from jocks to hipsters. But who's the man behind the cursive signature on the trademark circular ankle patch?

As journalist Abraham Aamidor recounted in his 2006 book Chuck Taylor, All Star: The True Story of the Man behind the Most Famous Athletic Shoe in History, Chuck Taylor was a former pro basketball player-turned-Converse salesman whose personal brand and tireless salesmanship were instrumental to the shoes' success.

Charles Hollis Taylor was born on July 24, 1901, and raised in southern Indiana. Basketball—the brand-new sport invented by James Naismith in 1891—was beginning to take the Hoosier State by storm. Taylor joined his high school team, the Columbus High School Bull Dogs, and was named captain.

After graduation, instead of heading off to college, Taylor launched his semi-pro career playing basketball with the Columbus Commercials. He’d go on to play for a handful of other teams across the Midwest, including the the Akron Firestone Non-Skids in Ohio, before finally moving to Chicago in 1922 to work as a sales representative for the Converse Rubber Shoe Co. (The company's name was eventually shortened to Converse, Inc.)

Founded in Malden, Massachusetts, in 1908 as a rubber shoe manufacturer, Converse first began producing canvas shoes in 1915, since there wasn't a year-round market for galoshes. They introduced their All-Star canvas sports shoes two years later, in 1917. It’s unclear whether Chuck was initially recruited to also play ball for Converse (by 1926, the brand was sponsoring a traveling team) or if he was simply employed to work in sales. However, we do know that he quickly proved himself to be indispensable to the company.

Taylor listened carefully to customer feedback, and passed on suggestions for shoe improvements—including more padding under the ball of the foot, a different rubber compound in the sole to avoid scuffs, and a patch to protect the ankle—to his regional office. He also relied on his basketball skills to impress prospective clients, hosting free Chuck Taylor basketball clinics around the country to teach high school and college players his signature moves on the court.

In addition to his myriad other job duties, Taylor played for and managed the All-Stars, a traveling team sponsored by Converse to promote their new All Star shoes, and launched and helped publish the Converse Basketball Yearbook, which covered the game of basketball on an annual basis.

After leaving the All-Stars, Taylor continued to publicize his shoe—and own personal brand—by hobnobbing with customers at small-town sporting goods stores and making “special appearances” at local basketball games. There, he’d be included in the starting lineup of a local team during a pivotal game.

Taylor’s star grew so bright that in 1932, Converse added his signature to the ankle patch of the All Star shoes. From that point on, they were known as Chuck Taylor All-Stars. Still, Taylor—who reportedly took shameless advantage of his expense account and earned a good salary—is believed to have never received royalties for the use of his name.

In 1969, Taylor was inducted into the Basketball Hall of Fame. The same year, he died from a heart attack on June 23, at the age of 67. Around this time, athletic shoes manufactured by companies like Adidas and Nike began replacing Converse on the court, and soon both Taylor and his namesake kicks were beloved by a different sort of customer.

Still, even though Taylor's star has faded over the decades, fans of his shoe continue to carry on his legacy: Today, Converse sells more than 270,000 pairs of Chuck Taylors a day, 365 days a year, to retro-loving customers who can't get enough of the athlete's looping cursive signature.

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

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Big Questions
What Is the Difference Between Generic and Name Brand Ibuprofen?
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What is the difference between generic ibuprofen vs. name brands?

Yali Friedman:

I just published a paper that answers this question: Are Generic Drugs Less Safe than their Branded Equivalents?

Here’s the tl;dr version:

Generic drugs are versions of drugs made by companies other than the company which originally developed the drug.

To gain FDA approval, a generic drug must:

  • Contain the same active ingredients as the innovator drug (inactive ingredients may vary)
  • Be identical in strength, dosage form, and route of administration
  • Have the same use indications
  • Be bioequivalent
  • Meet the same batch requirements for identity, strength, purity, and quality
  • Be manufactured under the same strict standards of FDA's good manufacturing practice regulations required for innovator products

I hope you found this answer useful. Feel free to reach out at www.thinkbiotech.com. For more on generic drugs, you can see our resources and whitepapers at Pharmaceutical strategic guidance and whitepapers

This post originally appeared on Quora. Click here to view.

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