Tag: science

The Hallmarks of Aging | LifeXtenShow

They’re nine; they’re insidious; they’re lethal; and they’re here to take your life. They are the hallmarks of aging. We couldn’t resist the temptation of a slightly overly dramatic introduction, but it wasn’t an inaccurate one. The Hallmarks of Aging is the name of a 2013 paper published in the journal Cell, and it describes…

By Jose Scott September 13, 2019 17

World-first hypertension treatment a success

Around 1/3 of the adult population are affected by hypertension so it is a big problem. Within that group around 10% of those patients have what we refer to as resistant hypertension, which means that the blood pressure cannot be controlled despite lifestyle modification and medications. We all have a very tiny little organised sensor,…

By Jose Scott September 10, 2019 0

Balls of fire! Dehydration of permanganic acid

Between the ages of 16 and 18 students may be required to learn about the three major types of reaction that sulfuric acid undergoes, namely dehydration, oxidation and, of course, acid-base. Now there’s a demonstration that actually shows two of these happening at the same time and that’s the action of sulfuric acid on potassium…

By Jose Scott September 9, 2019 4

Should You Worry About Caffeine Dehydrating You?

Thanks to Brilliant for supporting this whole week of SciShow! Go to Brilliant.org/SciShow to learn more. {♫Intro♫} There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But is caffeine really a diuretic? Technically, yes — but it’s not affecting you as much as you might think.…

By Jose Scott September 9, 2019 31

Sepsis: The Body’s Deadly Response to Infection

National Institute of General Medical Sciences [Music] Sepsis: The Body’s Deadly Response to Infection Sepsis in the U.S. Causes 250,000 deaths every year Costs more than $20 billion per year Treatment costs are growing three times faster than overall hospital costs Sarah Dunsmore, PhD, manages research grants on sepsis for the National Institute of General…

By Jose Scott September 8, 2019 0