condition

A Man Had a Stroke. Three Months Later His Tongue Turned ‘Hairy’ And Dark

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A man in his 50s presented to doctors in India a black, hairy tongue after suffering a stroke, according to a report by JAMA Dermatology. The man had left-sided weakness from a stroke three months prior and was put on a pureed diet, doctors said in the report published Wednesday. A thick, black coating had covered most … Read more

Sleep and Alzheimer’s disease: Cell studies suggest a way sleep loss may be linked to the condition

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Protein plaques associated with Alzheimer’s disease may build up in the brain if sleep is disrupted because this affects cells that normally destroy them, according to a study involving mouse immune cells Health 10 February 2022 By Alex Wilkins Artist’s impression of amyloid plaques forming between neurons nobeastsofierce Science / Alamy Stock Photo The immune … Read more

A Man Declared Dead by Three Doctors Woke Up Shortly Before His Autopsy

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A few years ago, Spanish prison authorities were rather baffled after a prisoner who had been declared dead by three separate doctors woke up in the morgue – just hours before his own autopsy was set to commence.   The prisoner, then-29-year-old Gonzalo Montoya Jiménez, was found unresponsive in his cell during a morning roll … Read more

Multiple sclerosis: Best evidence yet that condition is caused by Epstein-Barr virus

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A huge study of US military personnel suggests almost all cases of multiple sclerosis are triggered by the common Epstein-Barr virus, meaning a vaccine could largely eradicate the condition Health 13 January 2022 By Michael Le Page The Epstein-Barr virus viewed under a microscope Mediscan/Alamy It has long been suspected that the common Epstein-Barr virus … Read more

The Brain’s Secrets May Be Hidden in Its Folds And Wrinkles. How Are They Made?

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The human brain has been called the most complex object in the known universe. And with good reason: It has around 86 billion neurons and several hundred thousand miles of axon fibers connecting them.   Unsurprisingly, the process of brain folding that results in the brain’s characteristic bumps and grooves is also highly complex. Despite … Read more

The First FDA-Approved Eye Drops to Treat Blurry Vision Are Now Available in The US

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The joke about “needing longer arms” when you grow older and try to read small print is common enough. The cause – a natural decline in our eyes’ ability to focus on nearby objects, or presbyopia – is the reason so many people end up getting reading glasses in older age.   Now, for the first … Read more

Dangerous blood condition may guard against Alzheimer’s disease | Science

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Medicine so far has nothing to offer that clearly prevents Alzheimer’s disease, although keeping your weight down, exercising regularly, and inheriting certain protective genes can lower your risk. Now, a study has identified another, unexpected source of protection: clonal hematopoiesis, a blood cell imbalance best known as a risk factor for cancer and heart disease. … Read more

Cataracts and dementia: People who undergo eye surgery have lower risk of brain condition

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People who have cataracts can reduce their risk of developing dementia by about 30 per cent by undergoing surgery to restore their sight, although it’s not clear why Health 6 December 2021 By Clare Wilson Laser surgery for the treatment of cataracts IMANE/SCIENCE PHOTO LIBRARY Older people who have cataract surgery to improve their eyesight … Read more