Everyone is lonely at times. But chronic loneliness can make you sick. Earlier this month, US surgeon general shone a light on the problems associated with loneliness by declaring it an American epidemic. He said the growing isolation in society poses a health risk as deadly as smoking. In an 80-page report Doctor Vivek Murthy said: “We now know that loneliness is a common feeling that many people experience. It’s like hunger or thirst. ItLoneliness as dangerous as smokings a feeling the body sends us when something we need for survival is missing.”
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Common types of wound
Contusion
A contusion is more commonly called a bruise. It is usually caused by a blunt blow, the overlying skin is unbroken, but tissues and blood vessels below are damaged. The discolouration is caused by bleeding from small vessels into the tissues. Red blood cells trapped in the tissue spaces become deoxygenated anddark coloured. Bruising can also develop after deeper tissues, such as bones are damaged, and may only become apparent after a period of time as blood tracks towards the body surface.
If blood collects in a discrete pool within the tissues this is described as a haematoma. As the blood in a haematoma is well consolidated it may cause pressure effects on surrounding tissues, these may include pain and nerve compression. There is a risk a haematoma may become infected and some need to be surgically evacuated.
Abrasion
An abrasion is a scrape or graze. Typically, there is a superficial surface wound involving the epidermis and part of the dermis. As dermal nociceptors are exposed in the damaged dermis, these wounds are often very painful. Some abrasions can however, be deeper wounds involving tissues below the level of the skin. Abrasions are most commonly caused by friction injuries, falling off bikes is a common cause. These wounds need to be well cleaned to remove dirt and grit which may be sticking to the wound surface. Video Rating: / 5
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Wheel comparison, Powell Peralta Dragon Formula VS Speedlab VS G-Bones.. 97a VS 93a @powellperalta #speedlabwheels
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What is abrasion resistant steel plate?
Abrasion resistant (AR) steel plate is a high-carbon alloy steel plate. This means that AR is harder due to the addition of carbon, and formable and weather resistant due to added alloys
What is AR steel used for?
Common applications of the AR plate include dump liners, grates, buckets, construction attachments, conveyors, body armor, and ballistic plates (and as targets at shooting ranges).
What is the difference between AR 400 and AR 500?
AR400 is typically used where high wear resistance in needed as in digger blades and buckets, mining machinery, and heavy machinery. AR500 is a medium carbon, manganese alloy with moderate Brinell hardness. It is a quench and tempered high strength alloy steel which has superior abrasion resistance and toughness.
Quick review on one of the best wheels I’ve ever ridden! I have had a good luck streak with my Steve Caballero Street reissue deck so I haven’t skated a new deck yet. But real soon! You can see me ride these wheels in these videos too!
Jeff Grosso deck: https://www.youtube.com/watch?v=oWQZeUb0QbE
Steve Cab deck: https://www.youtube.com/watch?v=sGoxwZrG7po
Song is “It’s So Good To Be Here” by Digable Planets. They are one of the best old school hip hop groups!
When there is recession of the gums the roots of the teeth are exposed. The roots are not as hard as the crown enamel. This movie shows that improper brushing techniques such as brushing side to side with a hard tooth brush can cause abrasion of the tooth root. These areas may become severe and cause tooth sensitivity. Video Rating: / 5
Dental attrition, abfraction, abrasion, tooth erosion and root resorption are different types of wear on teeth. But what exactly are they? What are their causes?
00:00 Introduction:
In this 3d video from Clínica Médico Dental Pardiñas (http://j.mp/cPardinas) the cause of these dental conditions is shown.
00:04 Tooth abfraction:
Dental abfraction is a loss of tooth structure, usually due to continued trauma to the teeth caused by excessive force on them due to a bad bite. When tension zones are generated, microfractures are produced that in the long term can cause the loss of enamel, dentin and cementum.
00:33 Tooth abrasion:
Abrasion is a loss of tooth structure due to the contact of the teeth with abrasive elements, such as the use of a toothbrush that is too hard or brushing that is too aggressive.
00:54 Tooth attrition:
Attrition is wear of tooth surfaces due to contact between them. This process occurs frequently in bruxist or squeezing patients. More information about bruxism 👉 https://bit.ly/bruxismCP
01:09 Tooth erosion:
Erosion is the destruction of the tooth surface caused by external elements, usually chemicals and/or acids, such as those contained in carbonated beverages. An excessive consumption of them can cause the loss of enamel.
01:31 Esophageal reflux and bulimia:
In people with gastroesophageal reflux or those who suffer from bulimia, the frequent contact of gastric acids with the surface of the teeth, cause them to progressively erode.
02:15 Root resorption:
Root resorptions are defects in a tooth that can affect the enamel, dentin, cementum and pulp, usually caused by trauma, orthodontic treatment, cysts, impacted teeth, systemic, idiopathic or genetic diseases. Resorptions can be external or internal.
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