What is Gingivitis?

The term gingivitis refers to inflammation and infection of the gums. It is also termed non-destructive periodontal disease. In cases of periodontitis, the gums, the tissues connecting the tooth to the tooth socket (called the periodontal ligament) and the jaw bone containing the sockets of the teeth (called the alveolar bone) are affected. Gingivitis is an earlier and less severe […]

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Melatonin in Humans

Melatonin is purported to play a myriad of roles in humans. The most important of these is maintaining the sleep-wake cycle or the circadian rhythm. The roles of melatonin in humans can be summarized as: Melatonin in circadian rhythm and sleep Melatonin is secreted by the pineal gland within the brain. Although melatonin produces a signal that regulates the sleep-wake […]

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History of Hematidrosis

Hematidrosis represents a strange and extremely rare medical condition where the affected individual literally sweats bloody fluid through the sweat pores. The skin is usually anatomically and histologically normal, though a few studies have reported some abnormalities such as blood-filled spaces in the skin at the time of the bloody sweat. This has not been confirmed in most other research, […]

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Lupus Diagnosis

Lupus is a chronic inflammatory autoimmune disorder. Some symptoms of lupus can be transient such as joint and muscle pain, fatigue, a rash caused or made worse by sunlight, low-grade fevers, hair loss, pleurisy, loss of appetite, sores in the nose or mouth, or painful sensitivity of the fingers in cold environments. Scio21 | Shutterstock Lupus can often be misdiagnosed […]

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REM Sleep Activity

Rapid eye movement (REM) sleep is marked by movement of the eyes and low muscle tone in the body, in addition to more rapid brain waves, similar to that of an awake individual. During this stage of sleep, an individual has dreams and the brain produces waves similar to that of a person who is awake, explaining why it is […]

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What is Jet Lag?

Jet lag is the feeling of fatigue that occurs when you take a long flight that crosses several time zones. This is why it is also called ‘time zone change syndrome’. The severity of jet lag symptoms depend upon: The number of time zones – The higher the number of time zones crossed, the worse is the jet lag. The […]

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Rumination Disorder / Syndrome

Rumination disorder, also known as rumination syndrome, is an eating disorder where a person brings up food from his or her stomach back into the mouth through regurgitation and chews it again before swallowing it. The reasons for the disorder are not clear. It tends to affect both males and females. Patients who have it are usually at least three […]

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Rheumatoid Factor Test

Rheumatoid factor (RF) is an antibody present in blood. The rheumatoid factor test checks for the presence of this antibody. The test is performed using a reagent kit. A blood sample is drawn from the patient. When is the rheumatoid factor test performed? The RF test is indicated in patients suspected with rheumatoid arthritis or Sjogren’s syndrome. This test helps […]

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Iris Nevus vs Melanoma

Iris tumors are not very common. They may be classified as solid or cystic tumors. Among the solid tumors, iris nevi and melanomas fall into the melanocytic tumor category. This also includes iris freckle, melanocytoma, and Lisch nodules. Iris Nevus An iris nevus appears as a pigmented or unpigmented spot on the iris, typically about 3 mm in diameter at […]

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Childhood Asthma

Over the past 15 years, there have been major advances in the scientific understanding of asthma. Asthma is now known to be a disease of airway inflammation resulting from a complex interplay between environmental exposures and genetic and other factors. This has implications for the medical treatment and the environmental management of asthma. Image Credit: Ann in the uk / […]

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