Author Archives: Scott

Does Cranberry Juice Get Rid of Urinary Tract Infections

Matt asks: Does cranberry juice really help with urinary tract infections? The short answer is probably not according to recent research on the subject, though of course there are certainly many who swear by this method of getting rid of / preventing urinary tract infections (UTI’s) and there are good theories behind why cranberry juice could potentially help. In the […]

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How Pregnancy Tests Work

Karla asks: How do pregnancy tests work? Ah, the pregnancy test. Karla, I can only hope the reason you might be wondering is you’re taking one in a joyous scenario, and you’re trying to have a child, rather than the other way with a little more sweat on your forehead! 😉 Either way, pregnancy tests that use urine samples have […]

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How Erections Work

Amanda asks: How exactly do penises become erect? Well Amanda, the physical response causing a flaccid penis to become hard can be mediated by both physical stimulation (known as somatic) or autonomic (involuntary) processes like arousal from an attractive person, or a combination of both. We’ll first look at the anatomy behind the erection and then talk about how the […]

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Why Testosterone Affects Body Hair Growth

Michael S. asks: Why does testosterone cause more body hair? Testosterone is a steroid hormone from a group called androgen. Androgen affects many characteristics in our bodies, like the development of the male sex organs, the deepening of the voice during puberty, muscle and bone strength, and hair growth. Interestingly, the same circulating androgen, like testosterone, can increase hair growth […]

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Does Eye Black Actually Do Anything?

Steven asks: Does eye-black do anything or do people just think it does? For those that don’t know “eye black” is the substance used to make the dark markings athletes place under their eyes that are supposed to prevent glare from outside light sources, such as stadium lights and the Sun. It’s also supposed to help with contrast recognition (being […]

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Top 5 First Aid Tricks Everyone Should Know Part 5: Defibrillation

(Editor’s note: this is a continuation of the “Top 5 First Aid Tricks Everyone Should Know” series written by our resident paramedic/firefighter, Scott. For the other parts of this series: Part 1: Direct Pressure; Part 2: Temperature Control; Part 3: Recovery Position; Part 4: CPR) First Aid Trick #1 Defibrillation. Unlike the other items on this list, this one requires […]

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Top 5 First Aid Tricks Everyone Should Know, Part 3: Recovery Position

(Editor’s note: this is a continuation of the “Top 5 First Aid Tricks Everyone Should Know” series written by our resident paramedic/firefighter, Scott. For the other parts of this series: Part 1: Direct Pressure; Part 2: Temperature Control; Part 4: CPR; and Part 5: Defibrillation) First Aid Trick #3- Recovery Position: The recovery position is just that. The position you […]

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Top 5 First Aid Tricks Everyone Should Know, Part 2: Temperature Control

(Editor’s note: this is a continuation of the “Top 5 First Aid Tricks Everyone Should Know” series written by our resident paramedic/firefighter, Scott. For the other parts of this series: Part 1: Direct Pressure; Part 3: Recovery Position; Part 4: CPR; and Part 5: Defibrillation) #4 Temperature control: This one seems like a no-brainier, but outside of temperature being the […]

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What Causes Dandruff

Byron H. asks: What causes dandruff? Ah, dandruff! That white flaky stuff we see on the shoulders of homeless people everywhere. We’ve all seen that guy in front of us at the supermarket who looks like he just came out of a snow storm. Ever wonder what causes this embarrassing blemish on our hygiene? Dandruff is simply dead skin cells […]

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What Causes Baldness

Have you ever looked at the shiny dome of your grandfather and wondered, “Should I start stocking up on head wax soon?” Statistically at age 30 you will have a 30% chance of going bald. This increases by 10% every 10 years. So someone 50 years old will have a 50% chance of being bald. Due to the genetic factors […]

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