Home » Health » Public Health » Page 4

Public Health

Midgley

Thomas Midgley Jr. Suffered from Lead Poisoning After Trying to Prove that Tetraethyllead was Safe by Inhaling Its Vapor

The petroleum-based fuel gasoline is made from crude oil and other liquids. Gasoline is mainly used as an engine fuel in automobiles. But in the early 1920s, tetraethyllead was discovered and mixed with gasoline to minimize internal engine knocking. But did you know the engineer who discovered tetraethyllead tried to prove that it was absolutely […]

Thomas Midgley Jr. Suffered from Lead Poisoning After Trying to Prove that Tetraethyllead was Safe by Inhaling Its Vapor Read More »

Objective Tinnitus

Objective Tinnitus is Very Rare and Has No Scientifically Validated Cure

Every person’s tinnitus is different. Even if two people describe their tinnitus in the same way, such as a high-pitched ringing, they may hear it differently. But do you know what objective tinnitus is?  Others can hear a specific type of tinnitus. Objective tinnitus is distinguished from subjective tinnitus by the presence of an accurate

Objective Tinnitus is Very Rare and Has No Scientifically Validated Cure Read More »

Parusesis

What is Parusesis?

You may inadvertently damage the property of others if you urinate in public. This can lead to criminal charges or a civil case being filed against you. Property damage is considered an automatic consequence of urinating in public in some cities, according to city ordinance laws. But do you know what a paruresis is?  Paruresis,

What is Parusesis? Read More »

Cigar

What Do Actors Actually Smoke in Movies?

While smoking is a dangerous habit, there is something about it that instantly makes a person feel cool. This is especially true when the character is supposed to be rebellious, famous, or just super cool. That’s why it’s common in movies to see someone playing a character with that description smoking a cigarette. The question

What Do Actors Actually Smoke in Movies? Read More »

Vomit

Why Do People Vomit?

Vomiting is the forcible voluntary or involuntary emptying of stomach contents through the mouth or, less frequently, the nose. It is also known scientifically as emesis and colloquially as throwing up, retching, heaving, hurling, puking, tossing, or being sick. But why do People vomit?  Vomiting is caused by a complex chain of chain-link reactions in

Why Do People Vomit? Read More »

F‏ireFighters

How Did Firefighters Protect Themselves Before the Respirators was Invented?

The history of the firefighter began in ancient Rome in the third century, during the reign of Augustus. There is evidence of firefighting in Ancient Egypt before that. Marcus Licinius Crassus established the first Roman fire department. But did you know how firefighters protect themselves before the respirators were invented?  Before the invention of respirators,

How Did Firefighters Protect Themselves Before the Respirators was Invented? Read More »

iodine

Why was Goiter Common in Children Before the 1920s?

Iodine is required by the body to produce thyroid hormones. These hormones regulate the body’s metabolism and various other vital functions. Did you know that in the past, children suffered from iodine deficiency? Before the 1920s, up to 70% of children in different parts of the United States suffered from goiter due to iodine deficiency.

Why was Goiter Common in Children Before the 1920s? Read More »

Oscar Gamble

Why Did Oscar Gamble Get Rid of His Afro?

Oscar Gamble played for 17 seasons in the big leagues but never won a World Series or even made an All-Star appearance in his career. He was popularly known for his Afro hairstyle that spilled out from underneath his cap. But did you know why he had to get rid of his afro? Oscar Gamble

Why Did Oscar Gamble Get Rid of His Afro? Read More »

Wizard of Oz

What Was the Snow in the Wizard of Oz Made Of?

Today, paper products are often used to make artificial snow for indoor movie sets. More often than not, set designers use biodegradable and eco-friendly fake snow that contains food-grade ingredients and recycled cellulose. But did you know what they used in The Wizard of Oz set back in the 1930s? The cancer-causing chemical asbestos was

What Was the Snow in the Wizard of Oz Made Of? Read More »

Nicotine

How Does the Brain Play A Role in Nicotine Addiction?

The brain receptors become extremely overwhelmed during addiction. It then starts to react by producing less dopamine or even completely eliminating dopamine receptors. According to most PET studies, addiction is concentrated on the brain’s dopamine system. But did you know that the brain also has a role in nicotine addiction? Smokers who had their insula

How Does the Brain Play A Role in Nicotine Addiction? Read More »