History of Oral Hygiene: Why Ancient Humans Had Better Oral Health

An ancient caveman smiling with great oral hygiene and straight teeth

How did ancient humans, with no toothbrushes, have better oral hygiene? How are we hindering our jaw development with modern diets? In the book Jaws, Sandra Kahn and Paul R. Ehrlich explain that our ancestors tended to have healthier mouths than we have now, even though they didn’t have dentists or toothbrushes. This is due to a number of factors, including our modern diet. Here’s a look at the history of oral hygiene, including how ancient humans maintained their oral health by simply using their jaws as they were meant to be used.

The 4 Major Disadvantages of City Life (The Nature Fix)

A person looking out the window of a small city apartment building, displaying the disadvantages of city life

What are the disadvantages of city life? Are city-dwellers really more stressed? How do cities affect sleep? In the book The Nature Fix, Florence Williams explains that people who live in cities suffer from excess stress, poor sleep quality, a lack of sunlight, and less empathy. While cities do offer numerous advantages for employment, socialization, and entertainment, the benefits may not outweigh the downsides. Here’s an in-depth look at the real cost of urban living.

Kanner and Asperger’s Autism Research: The 4 Major Differences

Two boxing mitts with names on them that read Kanner and Asperger

What were the differences between Kanner and Asperger’s autism research? Whose research came out on top? In the post World War I era, there were two famous doctors studying autism: Leo Kanner in the US and Hans Asperger in Austria. In his book NeuroTribes, Steve Silberman compares the two men’s approaches and points out the differences. Here’s a look at the differences in the autism research.

The Top 4 Benefits of Time in Nature for Mental & Physical Health

A man enjoying the benefits of time in nature by roasting marshmallows on a campfire

In what ways can nature heal you? What are the benefits of listening to songbirds? Why does smelling eucalyptus make you feel relaxed? If you’re feeling stressed, depressed, or in a funk, consider the last time you went outside. In The Nature Fix, Florence Williams contends that humans have an innate affinity for nature, and thus the antidote to many of our physical and mental ailments is a good dose of the outdoors. Keep reading to learn about the benefits of time in nature, according to Williams.

Jaws: The Story of a Hidden Epidemic (Book Overview)

A woman with braces reading a book while sitting on a dentist chair in a dental office

Did you know that ancient humans had better oral health than we do today? Why are jaw problems so common around the world? What can you do to prevent jaw deformities? Jaws discusses how our modern lifestyle has created an epidemic of jaw deformities, leading to widespread health problems. Orthodontist Sandra Kahn and ecologist Paul R. Ehrlich say that a decrease in average jaw size is contributing to health issues. Keep reading for an overview of Jaws: The Story of a Hidden Epidemic.

The Consequences of Mouth Breathing: Decay, Halitosis, & More

A colorful, artistic depiction of air coming from a person's open mouth

How can mouth breathing jeopardize your oral health? How common is mouth breathing? The consequences of mouth breathing can go way beyond bad breath, according to the book Jaws by  Orthodontist Sandra Kahn and ecologist Paul R. Ehrlich. They explain that mouth breathing can contribute to deformed jaws, gum disease, tooth decay, and more. Keep reading to learn why you should breathe through your nose, if you can.

Bernard Rimland’s Autism Research: A New Perspective

A vintage image of a vaccine needle and bottle on a wooden table in a doctor's office

Who was Bernard Rimland? How did his autism research change how some saw the disorder? What were some of the problems with his theories? Bernard Rimland was an American psychologist in the mid-1900s. It was thanks to Rimland that parents were no longer blamed for causing autism, however, Rimland also promoted the idea that vaccines caused autism. Continue reading to learn about Bernard Rimland’s research and its impacts.

Why You Need to Spend More Time Outside (The Nature Fix)

A person taking a walk in a city park, trying to spend more time outside

Why should you go outside more often? What can you do if you live in a city? Why are green spaces so important? In her book The Nature Fix, Florence Williams stresses the importance of spending time outdoors. Whether that means taking a walk in a city park or camping in solitude, you need to get out for your mental health. Here’s why you need to spend more time outside, according to Williams.