Author Archives: Scott

Why can We Make Vaccines for Some Viruses and Not Others and Why Do Most Experts Think One Will be Successful for Covid-19 Very Soon?

If you were born in the United States in 1900 you had about a 1 in 3 chance of dying from an infectious disease.  If you were one of the unlucky third, 40% of you would die before the age of 5. In fact, the top three causes of death were infectious disease at this time- namely, pneumonia and flu, […]

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Why Can’t You Mix Blood Types?

There are several different types of blood.  Contained within them are different types of cells and countless molecules that give our bodies the needed nutrients to work effectively. The two main types of cells within the blood are red and white blood cells. Red blood cells make up nearly 45% of your blood volume. White blood cells make up less […]

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Is It Actually Important to Stay Conscious When Seriously Injured as Depicted by Hollywood?

Mandy R. asks: In movies they always act like it’s important for a person to stay conscious when they’ve been seriously injured. Does that really help someone live? Special thanks to Scott from the Medical Confessions podcast for answering this one for us! We’ve all seen movie scenes where someone is seriously injured and slowly drifting in and out of […]

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Can Staying Awake Too Long Really Kill You?

Valerie C asks: Can staying awake too long really kill you? Every college student knows the eye-stinging pain of a caffeine-induced all-nighter.  It’s been well documented that prolonged sleep deprivation will lead to lower cognitive and motor function, as well as impaired memory; it might even give you the tired-giggles.  No one has ever definitively shown why sleep is necessary […]

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Why Do We Get Allergies?

YouTube subscriber Chase P. asks: Do a video on why humans have allergies. It’s that time of year when tissue companies nationwide rejoice at the excessive mucus caused by allergies. If you’re one of the unlucky, you might ask yourself why we get them anyway? Why would our immune systems react to seemingly harmless things like pollens, dust mites, and […]

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Why Does Hypothermia Help People Survive in Some Situations?

Derek H. asks: Why does extreme lowering of body temperature sometimes help people survive when they’re otherwise dead for extended periods? We’ve all probably heard of a person being pulled from cold water after a seemingly unrevivable timeframe. Miraculously, they survive and more or less make full recoveries. A 7-year-old girl named Stella Berndtsson from Sweden currently holds the record […]

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