Columnist Scott LaFee covers the educational and quirky health news of the week.
The human shoulder is the most complex, mobile joint in the body, which makes it especially vulnerable to injury in people of all ages. Most often, injuries are related to aging, as tendons become more vulnerable to repetitive or strenuous activity, leading to inflammation, pain and worse.
Acute shoulder injuries can result from sports, yardwork, lifting heavy objects and falling. They can occur from sleeping on one’s side, which puts extra pressure on the shoulder joint, and persistent hunched posture, which can impinge nerves and muscles. • If you suffer an acute injury and suddenly can’t raise your arm. • If you are experiencing chronic pain or your shoulder increasingly doesn’t work as you think it should.
Shoulder surgery is an increasingly common option. More than 1 million shoulder surgeries were performed in the U.S. alone last year. Shoulder replacement is among the fastest-growing orthopedic procedures, with the highest rate in patients over the age of 80. There are 10 human body parts that are only three letters long: eye, hip, arm, leg, ear, toe, jaw, rib, lip and gum.
The United States ranks No. 1 in healthcare spending but No. 47 in life expectancy, according to Worldometer. Citizens of Monaco, San Marino, Hong Kong, Japan, Switzerland, Singapore, Italy, South Korea, Spain, Malta, Australia, Sweden, Norway, France, Israel, New Zealand, Canada, Iceland, Ireland, Luxembourg, Netherlands, Austria, Finland, Belgium, Portugal, United Kingdom, Germany, Denmark, Greece, Qatar, Taiwan, Chile, UAE, Costa Rica and the Czech Republic can all expect to live longer than the average American.
Medical history This week in 1993, the first lab test was released in Arizona confirming that a bee involved in a fatal attack on a small dog at a Tucson home was an Africanized honeybee. Because of their more intense defensive swarming behavior, such non-native bees earned the name “killer bee” in the media. Arizona was the second state to be invaded, less than three years after the species spread north into Texas from Mexico.
Currently, the bees are firmly established across the southern U.S., from Florida to California. Cold weather restricts their northward expansion. Since their introduction, it’s estimated that Africanized bees have killed roughly 24 people. True or false: Logical thinkers are left-brain dominant, while artistic people are right-brain dominant.
False. Brain imaging technology has found that there is no such thing as dominance when it comes to the brain’s hemispheres. While both halves tend to handle separate tasks, they work together in complex ways and are not linked to specific personality traits. In 1974, a British health food enthusiast and scientist named Basil Brown consumed approximately 10 gallons of carrot juice over the course of 10 days.
He subsequently died of massive liver damage due to hypervitaminosis A, with his skin turning bright yellow due to severe carotene accumulation. Unlike other vitamins, prolonged and excessive consumption of vitamin A can accumulate in the liver, leading to severe headaches, nausea, dizziness, hair loss, dry skin, bone pain and in the case of Brown, death.
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